Finally got my gs911 - BMW Luxury Touring Community
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post #1 of 127 Old Mar 3rd, 2016, 10:23 am Thread Starter
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Finally got my gs911

Wondering if someone can tell me what this means
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post #2 of 127 Old Mar 3rd, 2016, 1:19 pm
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Was the engine running when you ran the scan?
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post #3 of 127 Old Mar 3rd, 2016, 1:27 pm Thread Starter
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It was running then it shut off
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post #4 of 127 Old Mar 3rd, 2016, 1:32 pm
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Re: Finally got my gs911

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Originally Posted by Rodknocker View Post
It was running then it shut off
Not an expert but looking at that printout, I might think there was some wiring harness damage somewhere.

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post #5 of 127 Old Mar 3rd, 2016, 1:34 pm
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Re: Finally got my gs911

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Originally Posted by Rodknocker View Post
It was running then it shut off

I will have a longer answer about the GS911 data and error codes later this evening, but before I do, can you be more clear about the data condition:
1) was any sensor wires (to harness) unplugged when you did the GS911 test?

2) did the engine started normally - how long did it ran - was it warm or cold when you started it?

3) in your answer above, do you mean the engine shut-off / cut-out and will not start anymore?

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K1200RS (2002 IceBlue/Red - 96,000 miles)
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post #6 of 127 Old Mar 3rd, 2016, 2:00 pm Thread Starter
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I had everything off but the gastank. The bike started, ran rich then shut off. Hard to start after that.
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post #7 of 127 Old Mar 3rd, 2016, 2:02 pm Thread Starter
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Started normal when I first started it. The fans always have kicked on early. The bike gradually got worse over time then shut down completely
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post #8 of 127 Old Mar 3rd, 2016, 2:09 pm Thread Starter
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Here's a previous post that put my bike on the sidelines and was the reason I bought the gs911 http://www.bmwlt.com/forums/k1200lt/.../145946?page=1
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post #9 of 127 Old Mar 3rd, 2016, 2:12 pm Thread Starter
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Thanks for any help. I work nights. I'll check back in tonight
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post #10 of 127 Old Mar 3rd, 2016, 4:38 pm
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Re: Finally got my gs911

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Originally Posted by Rodknocker View Post
Wondering if someone can tell me what this means
Just for your info, if you haven't figured it out by now, SAILOR is the GS911 genius. This site has many knowledgeable guys that after being on this site for 8 years, continue to amaze me with their wrenching skills and knowledge. You have come to the right place. Good luck with your issue.
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post #11 of 127 Old Mar 3rd, 2016, 6:39 pm Thread Starter
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Thanks Norton
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post #12 of 127 Old Mar 3rd, 2016, 7:06 pm
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Re: Finally got my gs911

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Originally Posted by Rodknocker View Post
Wondering if someone can tell me what this means
SORRY, but this will be long, so read carefully ;-)

Top of screen is just data about the Motronic ECU version and a few info bits - nothing special here. Based on part no "7659048" I am assuming your K1200LT is probably a 2001-2003. Otherwise, if it is earlier YEAR, it would mean it has been retrofitted with the later ECU having the so-called "brown-wire" capability for 2nd fuel map. PLEASE CONFIRM YEAR..

Lower section of report is all engine system faults found. Some of these could be present now or they could have been encountered in past ride (hence the wording "currently present: Yes / No"). All ECU faults stay in memory (including number of occurence) until you EITHER do any of these:
1) unplug main battery for 15 minutes of more
2) remove EFI system fuse for 15 minutes or more (even with ignition OFF)
3) clear / erase all faults using GS911 menu option (or dealer's computer)

In lower section I see several faults that are related to a problem / behavior you had discussed earlier in another thread here:
http://www.bmwlt.com/forums/k1200lt/...d-problem.html

Keep in mind that some of the listed faults will be reported if you run GS911 with any sensor unplugged (or plug not fully in).
For example, the "277: engine temp circuit..." could be caused by a defective engine coolant sensor -OR- it could be caused by a bad connection (or disconnected coolant sensor plug).
The "5381: idle-switch, short circuit to earth" AND the "1285: idle-regulator..." both could mean you tried to set the TPS without following proper sequence in GS911 menu (setting the TPS requires you to remove TVA at a certain point). Both of there are related to TVA (idle-actuator).

The most important fault code, related to your original problem in previous thread, is the "368 lambda control, upper adaption limit reached" with 66 occurences. In general this is the result of a very lean mixture condition for which the EFI system could not compensate (within allowable range). This is just the symptoms / results that something else is wrong: it could quite probably be a low fuel-pressure (damaged fuel hose inside tank, weak fuel pump) OR it could also be caused by incorrect data coming from other sensors. The EFI is a bit confused and tries to compensate by enriching with more injection time (within a certain limits).

Debugging this remotely without riding and seeing the bike is not easy. GS911 gives us an X-RAY of the internals faults, but is cannot tell us the exact single cause OR the solution. If only one sensor is defective, it is easy to act on GS911 fault readout, but in your case, based on this report, I suspect a combination of factors. I do not have the full context of everything you did since your problem began - remember that Motronic has a memory of ALL OLD faults.

--------------------------------------------------------
WHAT ELSE CAN WE DO TO FIND REAL CAUSE:
--------------------------------------------------------
To make this troubleshooting a bit easier I suggest you let the bike cool (engine cold after 8 hours). Make sure EVERY engine sensors is plugged and inserted fully: 2 important one are around the Throttle-bodies (TVA and TPS) and 2 other on left side of ABS-unit (O2 sensor, engine coolant sensor).
Also, use GS911 interace to clear ALL current engine fault codes. The idea is that we start fresh with next engine run / test.

AFTER this you run engine on center-stand with GS911 plugged in "real time" data logging mode - then GS911 can generate a file that will give me a full picture of every sensor data while engine was running.

If this "static" test on center-stand is not enough, with the new RED GS911 we can also do a test while you ride with GS911 plugged and tuck away under seat (the unit has internal memory storage for data log). My older GS911 YELLOW unit cannot easily do this while riding as I would have to have a small laptop plugged while I ride (hidden is side-case). Hence, the 1st trial run is always done running engine on center-stand with a PC plugged for data log. Your RED unit will need an interface screen to start the log process, but after this it can accumulate data within its own memory.

I cannot show you exact screen shots for the new RED unit as you are getting slightly different screen interface than my YELLOW GS911. But if you follow these attached screen shots and instruction below, you should have a head start to learn to use the “real-time” data log method:

SUGGESTED PROCEDURE TO FOLLOW:
There is so many variables from machine-to-machine that it is important for me to gather this data in same conditions to minimize variables. If possible, when you have time and bike is cold (at least 8 hours after stop), could you follow these steps:

(1) Install K1200LT on center stand (do not start yet)
(2) Plug GS911 into bike diagnostic plug, then into PC

(3) Start software and go into menu "realtime values" + "Log to CSV" button. Use defaults for all items. Choose / type a filename or use the default filename offered.

(4) Start your K1200LT (engine cold) and let it warm up. AFTER about 2 minute of warm-up do occasional throttle twist to raise RPM to 2000 (4 to 5 seconds) and 4000 RPM (2-3 seconds). After these short RPM changes let it go back to idle for at least 30 secs in between.

(5) Stop "log-to file" , then stop engine when you reach just above half-way point on the temp gauge on dash. The radiator fans should only start if you let it run until it is quite above the half-way mark (not required for this test).

NOTE: It is IMPORTANT not to touch throttle during start as it should idle by itself. If it does not, then do what is required and let me know when you send the file.

See attached image for menu items in YELLOW unit GS911 software. Screen may vary a bit depending on your software version.
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K1200RS (2002 IceBlue/Red - 96,000 miles)
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post #13 of 127 Old Mar 3rd, 2016, 7:22 pm Thread Starter
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Thanks sailor! I'm reading your post carefully, It's a 2002
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post #14 of 127 Old Mar 3rd, 2016, 7:32 pm Thread Starter
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OK sailor! Thanks so much. When I get home in the morning I'll hook it back up and send another readout. I'll unplug the battery tonight
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post #15 of 127 Old Mar 3rd, 2016, 8:04 pm
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Re: Finally got my gs911

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Originally Posted by Rodknocker View Post
OK sailor! Thanks so much. When I get home in the morning I'll hook it back up and send another readout. I'll unplug the battery tonight
Make sure battery has a good charge before you attempt static run to log data.

A weak charging system will show in the log as I can see several data colums including current system voltage (with alternator pushing). If you follow the previous described procedure (connect GS911 and start the log BEFORE starting engine), I can also see the static voltage with Battery at rest in the log.

Will read you tomorrow morning or a bit later...
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post #16 of 127 Old Mar 4th, 2016, 9:30 am Thread Starter
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Having a bit of difficulty hooking my laptop up but I cleared the codes and hooked everything up. Didn't read any faults. I'm working on the laptop
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post #17 of 127 Old Mar 4th, 2016, 10:47 am Thread Starter
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Having difficulty saving the log. Don't know what I'm doing just yet. I couldn't keep the bike running till it got warm. It shut off after a few minutes. Fans kicked on and it started acting up. Shut off then wouldn't start. It's been doing this for a while but gradually got worse. Here's a pic of the fault codes with everything hooked up
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post #18 of 127 Old Mar 4th, 2016, 10:49 am Thread Starter
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Also left it unplugged all night
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post #19 of 127 Old Mar 4th, 2016, 11:10 am
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Re: Finally got my gs911

Quote:
Originally Posted by Rodknocker View Post
Having difficulty saving the log. Don't know what I'm doing just yet. I couldn't keep the bike running till it got warm. It shut off after a few minutes. Fans kicked on and it started acting up. Shut off then wouldn't start. It's been doing this for a while but gradually got worse. Here's a pic of the fault codes with everything hooked up
Like it is explained in description, you can disreguard the 821 and 901 fault codes (first and last) as these are normal when engine is not rotating. HOWEVER, we can see that the fault "277: Engine Temperature...." appears again in addition to the radiator fans bad behavior you have specified. Until I have the full data log from run, this is the 1st hint / tip to research so I will have you do a static test with OhmMeter on the Engine-Coolant sensor.

This test requires only a OHM (resistance) function on any good multimeter (range needed is roughly 150 to 6000 Ohms depending on engine temp). You do this test with Ignition OFF and the coolant=temp-sensor unplugged from harness. See this PICASSA photo album to follow procedure. Same shape sensor connector on your K1200LT as in photo album, HOWEVER the connector is lower on left side of black sub-frame.
https://picasaweb.google.com/1014897...peratureSensor

Since you cannot fully warm up the engine (if it keeps quiting), you may want to borrow a hair dryer to try to send some heat around the sensor base to see if resistance will vary as it should. CAUTION: Many rubber parts and wires around there so do NOT use anything that would generate more heat than a Hair-Dryer.

-------------------------------------------------------------
Temp (deg. C / F) Resistance (Ohms)
-------------------------------------------------------------
4 ........................................... 5700
8 ........................................... 4000
10 ......................................... 3880
14 ......................................... 3290
17 / 63 ................................... 2900
20 / 68 ................................... 2570
30 / 86 ................................... 1760
40 ......................................... 1219
50 ......................................... 876
70 ......................................... 454
80 / 176 ... (default fail mode) ... 342
85 / 185 ... (Rad thermostat) ...... 296
90 .......................................... 261
105 / 221 ...(fans activated temp)... 187
115 / 239 ...(dash warning light).... 143

-------------------------------------------------
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
-------------------------------------------------
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Last edited by sailor; Mar 4th, 2016 at 11:16 am.
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post #20 of 127 Old Mar 4th, 2016, 11:46 am Thread Starter
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Thanks sailor. I have to run my son somewhere then get some sleep to work tonight. I'll try again in the morning. I'm off all weekend, should be able to get a lot more info
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post #21 of 127 Old Mar 4th, 2016, 12:14 pm Thread Starter
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Unplugged my batt again. If I get home in a decent hour I'll try again
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post #22 of 127 Old Mar 4th, 2016, 2:19 pm Thread Starter
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Bike wouldn't start. Just like before. If I unhook everything then put it back together, it'll start. Makes no sense to me
Must've written over my first file. I'll try again in the morning





Sent from Mail for Windows 10

##;##

#3/4/2016 2:42:05 PM

#GS-911 V1603.1

#K1200LT

#Motronic MA2.4

time(ms);RPM;Battery voltage;Engine temperature;Intake air temperature;Ambient air pressure;Throttle position (TPS);Lambda sensor voltage;Ignition angle;Ignition dwell angle;Injection time;Fuel pump;Lambda closed-loop control;Fan motor (where fitted);Tank venting valve (US only)

0;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.98;1 2.67;0;0;0;0

718;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.98 ;12.67;0;0;0;0

1421;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.9 8;12.67;0;0;0;0

2328;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.9 8;12.67;0;0;0;0

3031;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.9 8;12.67;0;0;0;0

3734;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.9 8;12.67;0;0;0;0

4437;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.9 8;12.67;0;0;0;0

5140;0;11.71;18.00;17.00;973.18;5.44;456.00;0;18.9 8;12.67;0;0;0;0

5843;200.00;9.35;18.00;17.00;973.18;5.44;456.00;10 .56;23.90;6.08;1;0;0;0

6531;200.00;9.19;18.00;17.00;973.18;5.44;456.00;10 .56;42.18;5.31;1;0;0;0

7234;200.00;9.27;18.00;17.00;973.18;5.12;456.00;10 .56;37.26;5.44;1;0;0;0

7953;200.00;8.94;18.00;17.00;973.18;5.12;456.00;10 .56;33.04;5.31;1;0;0;0

8656;200.00;9.11;18.00;17.00;973.18;5.12;456.00;10 .56;23.90;5.12;1;0;0;0

9359;200.00;9.35;18.00;17.00;973.18;5.12;456.00;10 .56;23.20;5.12;1;0;0;0

10062;200.00;10.49;18.00;17.00;973.18;5.12;456.00; 10.56;22.50;5.06;1;0;0;0

10765;200.00;10.41;18.00;17.00;973.18;5.12;456.00; 10.56;23.20;5.12;1;0;0;0

11468;200.00;10.24;18.00;17.00;973.18;25.60;456.00 ;9.15;23.20;10.69;1;0;0;0

12171;200.00;10.41;18.00;17.00;973.18;5.44;456.00; 10.56;23.20;5.18;1;0;0;0

12875;200.00;9.92;18.00;17.00;973.18;81.60;456.00; 9.15;28.12;11.33;1;0;0;0

13593;200.00;9.19;18.00;17.00;973.18;47.04;456.00; 9.15;42.18;10.94;1;0;0;0

14296;200.00;10.08;18.00;17.00;973.18;5.44;456.00; 10.56;23.90;5.31;1;0;0;0

14984;200.00;10.41;18.00;17.00;973.18;74.56;456.00 ;9.15;23.90;11.20;1;0;0;0

15687;200.00;8.94;18.00;17.00;973.18;6.08;456.00;9 .15;23.90;4.86;1;0;0;0

16390;200.00;10.16;18.00;17.00;973.18;5.76;456.00; 9.15;23.90;4.74;1;0;0;0

17093;200.00;10.41;18.00;17.00;973.18;81.60;456.00 ;9.15;23.20;11.20;1;0;0;0

17812;200.00;9.27;18.00;17.00;973.18;81.60;456.00; 9.15;37.26;11.52;1;0;0;0

18547;200.00;10.16;18.00;17.00;973.18;77.76;456.00 ;9.15;23.90;11.26;1;0;0;0

19265;200.00;9.27;18.00;17.00;973.18;74.56;462.00; 9.15;23.20;11.14;1;0;0;0

19968;200.00;8.94;18.00;17.00;973.18;65.60;456.00; 9.15;28.12;11.26;1;0;0;0

20671;200.00;9.51;18.00;17.00;973.18;52.16;456.00; 9.15;33.04;11.01;1;0;0;0

21375;200.00;10.08;18.00;17.00;973.18;6.72;456.00; 9.15;37.26;5.31;1;0;0;0

22078;200.00;10.33;18.00;17.00;973.18;6.72;456.00; 9.15;28.12;5.18;1;0;0;0

22781;200.00;10.16;18.00;17.00;973.18;6.40;456.00; 9.15;33.04;5.25;1;0;0;0
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post #23 of 127 Old Mar 4th, 2016, 4:54 pm
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Re: Finally got my gs911

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Bike wouldn't start. Just like before. If I unhook everything then put it back together, it'll start. Makes no sense to me
Must've written over my first file. I'll try again in the morning
...
....
Unfortunatly you probably lost previous run data as you said. Not much useful data in the set posted above: I see RPM going to 200 in attempt to start and I also see BOTH air-temp and engine-temp at roughly 18Celcius (approx 64 F) - IS this the real temp you had ?

NEXT TIME, save the file on your hard disk with extension .XLS (instead of .CSV) so that the file is posted as an attachment and not as data embedded into the message text. See 2 screen shots BELOW if you are not familiar with files attachments while posting a message here...
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post #24 of 127 Old Mar 4th, 2016, 6:35 pm Thread Starter
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OK thanks! I'll get more useful info tomorrow.
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post #25 of 127 Old Mar 5th, 2016, 9:45 am Thread Starter
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Re: Finally got my gs911

Trying to send the file
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post #26 of 127 Old Mar 5th, 2016, 9:48 am Thread Starter
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Re: Finally got my gs911

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Trying to send the file
Couldn't keep my bike running until warm, I tried
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post #27 of 127 Old Mar 5th, 2016, 10:18 am
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Re: Finally got my gs911

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Trying to send the file
The file is empty - there is only a header with date time as if you never ran with the logging option active. Not sure what you did and in what order - however last time at least you had a bit of data (starting attempt the day before).

I gave detailed steps in earlier post, but like I said the new RED unit has an new screen interface that I have never tried yet. Hence it is difficult for me to give you exact steps-by-steps screen shots.

P.S.: on another front, did you test the engine-coolant-temp sensor with OhmMeter as described earlier?

-------------------------------------------------
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
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post #28 of 127 Old Mar 5th, 2016, 11:11 am Thread Starter
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Haven't tested it yet but I'm going to in the next few min
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post #29 of 127 Old Mar 5th, 2016, 11:33 am Thread Starter
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Re: Finally got my gs911

Maybe this file is better.I had to gas it up the whole time because it wanted to stop. Priciate your patience.
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post #30 of 127 Old Mar 5th, 2016, 12:52 pm Thread Starter
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What I found when I took the tank off
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post #31 of 127 Old Mar 5th, 2016, 1:53 pm Thread Starter
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Could you help point to the temp sensor. Having difficulties
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post #32 of 127 Old Mar 5th, 2016, 3:01 pm
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Re: Finally got my gs911

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Originally Posted by Rodknocker View Post
Maybe this file is better.I had to gas it up the whole time because it wanted to stop. Priciate your patience.
OK... approx 1:55 minute run. See attached EXCEL document where the same data was reformatted a bit for easier viewing.
A bit better but not terrific because I see engine is having problem to stay running and you keep opening or holding throttle to save it. Not exactly the full warm-up I was hoping for to help solve this at a distance.

QUESTION: At starting point engine-temp shows 21C (approx 70 F) and ambient air temp shows 17C (approx 63F) - does it matches what you saw to confirm both sensors are working??

Given the engine behavior and difficulty to gather more evidences, AT THIS POINT we have reached a critical decision point. We will have to make a few best guesses based on all current evidences:
- apparent hesitation during an earlier long ride caused by fueling related problem (posted in another thread here: http://www.bmwlt.com/forums/k1200lt/...d-problem.html

- many faults codes (some old some more current) including a fault code pointing to a very lean mixture that Motronic-EFI tried to compensate for. Will disreguard the engine temp sensor as the main cause for the moment because data appears good in log when engine is cold.

- intermittent issues and hesitations in starting from cold (behavior now).


Since I cannot see the bike, given this data I will make a few best guess from simple to more complex to check / resolve:
1) There is/was a bad tank of fuel (contamination or water) and this can only be solve by flushing and cleaning everything from simple to more complex (tank, filter, hoses, injectors, fuel-rail...)

2) there is low fuel-pressure caused by either damaged fuel-hose inside tank, OR weak pump, OR defective fuel-regulator. Although for folks used to carburators, this may seem far-fetched, on these Motronic EFI a loss of only 10% in fuel pressure will make the bike run like shit. Minimum fuel pressure needs to be 50 PSI in hose going from tank base to forward connection on fuel-rail (not the other return hose). See attached photo for a subtle clue that can be miss inside tank.. this will cause hesitations.

Of course, to test fuel-pressure you need a fuel-pressure kit with adapter. you can squeeze it in-line or if you have a spare set of Male-Female quick connectors you can plug it direct like I do in attached photo. Even before starting, right after ignition ON, the fuel-rail is primed by fuel pump and you should get 50 PSI right away.
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Attached Files
File Type: xls GS911 log 2016-03-05 (K1200LT of Rodknocker).xls (46.0 KB, 35 views)
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-------------------------------------------------
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
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post #33 of 127 Old Mar 5th, 2016, 3:15 pm
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Re: Finally got my gs911

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Could you help point to the temp sensor. Having difficulties
I work mostly on K1200RS so I keep forgetting you have these tip-over black metal tube in the way on the big truck ;-)
See 1st attached photo: look down just above coil-pack in direction of rear of cylinder-head.

The connector for coolant-temp-sensor on K1200LT (2002-2004) like yours should located like in 2nd photo taken from shop-manual.
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-------------------------------------------------
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
-------------------------------------------------
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post #34 of 127 Old Mar 5th, 2016, 3:51 pm Thread Starter
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Thanks sailor. Another person told me I should check the fuel pressure also. The only thing is why won't the bike start once it shuts down? Thanks for the detailed pic of the sensor. I'll hook it up when I get home. Hopefully we'll get this behind us. The fuel pump is less than a year old. I have some black Napa fuel lines that seem soft. Priciate all your help.
I think the temp was accurate at 63.
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post #35 of 127 Old Mar 5th, 2016, 5:39 pm Thread Starter
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I got 2600 on my ohm meter. It's about 60°
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post #36 of 127 Old Mar 5th, 2016, 6:27 pm
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Re: Finally got my gs911

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I got 2600 on my ohm meter. It's about 60°
If indeed engine-head and coolant are at 60F, reading should be a bit closer to 3000 ohms as stated earlier in my table. But, really not a big error (about 10%) and it may just be that inside of engine has not reached room temp yet.

Based on both of your earlier GS911 fault readouts, I would have expected a big anomaly here in Ohms AND in the GS911 log - but there is only a small error. Also possible your sensor is only failing at high temp when engine is fully warmed up - I have seen this before. Hence I suggested earlier the idea to make a long ride with RED GS911 in log data mode.

I still think we have to investigate / solve fuel related issues first.

-------------------------------------------------
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K1200RS (2002 IceBlue/Red - 96,000 miles)
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post #37 of 127 Old Mar 5th, 2016, 6:39 pm Thread Starter
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OK I'm gonna remove the fuel pump then hook it up. I'll take a pic of it while it's out. The bike always seems to run fine for a while after I do this for some reason. I'll warm it up and see if I can get the temp up. I'll take it for a ride tomorrow. Haven't been to bed yet since yesterday. I'll post the new file in 30 min or so if it runs to operating temp
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post #38 of 127 Old Mar 5th, 2016, 7:40 pm Thread Starter
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Pics of my pump
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post #39 of 127 Old Mar 5th, 2016, 7:46 pm Thread Starter
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Re: Finally got my gs911

Here's a bit longer file. The temp sensor fault popped
up. Said 47 times. Fans were running when it shut off
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File Type: xls log 2016-03-052.xls (23.1 KB, 53 views)
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post #40 of 127 Old Mar 5th, 2016, 7:50 pm Thread Starter
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At 59° it was 2700
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post #41 of 127 Old Mar 6th, 2016, 9:19 am
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Re: Finally got my gs911

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Pics of my pump
I really don't like the clamps. Looks like only one is for fuel injection lines. I really prefer the stock hose clamps (Oetiker).

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post #42 of 127 Old Mar 6th, 2016, 9:52 am Thread Starter
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Would a lack of pressure cause all my symptoms with the cooling fans running constant. I just replaced the pump last year. Supposedly a lifetime warranty. I think at this point I'm going to replace the pump with better hoses. These current hoses feel cheap. I'm going to replace the temp sensor also. Anyone know of a good site to order. I ordered my pump last year from Amazon $50
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post #43 of 127 Old Mar 6th, 2016, 1:06 pm
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Re: Finally got my gs911

Fans running constantly is normally the temp sensor behind the cylinder head. If it is unplugged the fans will always run. May have a broken wire in the harness to the ECU if the sensor is reading OK.

John
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post #44 of 127 Old Mar 6th, 2016, 4:45 pm Thread Starter
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Thanks! Gonna check the fuel pressure. If it's okay, I'm going with ordering a new temp sensor. If it don't work, I'm buying a new 1600.
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post #45 of 127 Old Mar 6th, 2016, 6:55 pm Thread Starter
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Didn't do anything but make a big mess and ruin a few fuel lines and shoes with this fuel pressure tester. I'm sure it's getting good pressure. I've had intermittent problems with this bike since I've owned it. Just gradually got worse. Even after I've put a new pump in it
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post #46 of 127 Old Mar 6th, 2016, 7:01 pm Thread Starter
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Ohm checked out at 295 @ 56 degrees
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post #47 of 127 Old Mar 6th, 2016, 7:11 pm
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Re: Finally got my gs911

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Didn't do anything but make a big mess and ruin a few fuel lines and shoes with this fuel pressure tester. I'm sure it's getting good pressure. I've had intermittent problems with this bike since I've owned it. Just gradually got worse. Even after I've put a new pump in it
I am not following you here in this post above: Did you test actual pressure with a real fuel pressure gauge or not?

I could be wrong, but in my humble opinion, the occasional / intermittent fault of the engine-coolant sensor is NOT the main cause of your problem. It does exist as shown in Gs911 faults AND also in last running real-time log, however it only appears after the engine ran for a while and does not explain the 1st earlier log bad starting when temp-sensor was showing normal.

In 2nd log, just past 3 minutes mark (196509 millisec), sudden change from 46 to 80 celsius is the start of failure point. The 80 celcius is given by Motronic-EFI default "fail-safe" mode when engine-coolant sensor shows no resistance or infinite resistance - from that point on, multiple faults will be logged on this item. The 80 celcius is a just a substitute value that correspond to a warmed up engine - often called a "limp-home" mode default value in some EFI documents. See attached screen shot.,,,,

So.... I still think we need to investigate and test fuel pressure seriously with an exact minimum value. Given your hose and clamp setup shown in earlier pictures, I do NOT think it is any use to change the fuel pump before we have real pressure measurements data.

1) We need minimum of 48 PSI or more after ignition ON (no start, just wait for fuel pump priming noise)
2) we need at least 50 PSI when running even after several minutes (in case pump is intermittent as it warms up)
3) After the engine was stopped (ignition OFF) we should still read 45-50 PSI for at least a few minutes (system stays pressurized, no internal leaks).
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-------------------------------------------------
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
-------------------------------------------------
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post #48 of 127 Old Mar 6th, 2016, 7:32 pm
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Re: Finally got my gs911

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Ohm checked out at 295 @ 56 degrees
YES... this is an anomaly as 256 OHMS should only appear when engine is warmed up at about middle white-line on dash temp gauge. As we also saw in 2nd real-time log it does fail occasionaly as its warms up (past a certain point).

Not impossible to have a sensor fail like this, BUT we should not conclude a new part is the only solution - it could also be intermittent because of damage wiring or loose connection - I have seen this before on a K1200RS (same sensor).

Before spending $US$ 115 on a new sensor (BMW part no: 12 61 1 341 602), I would really make sure I need a new one. I would also test engine start when engine is already warmed up , assuming you are able to get it to fully warmed up before dying. Since a fail safe mode of 80 celcius (176 F) is substituted by Motronic-EFI, the engine should always start and run fairly well if stopped when warm, wait 10 minutes and attempt to re-start.

-------------------------------------------------
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
-------------------------------------------------
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post #49 of 127 Old Mar 6th, 2016, 7:46 pm Thread Starter
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Thanks sailor,! Might be a bad pressure tester. I hooked it up exactly the way the pic shown with the T fitting. I unhooked it and put my finger over the hose. Lots of pressure coming from the bike. I'm going to Napa in the morning and get a different tester.
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post #50 of 127 Old Mar 6th, 2016, 8:10 pm
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Re: Finally got my gs911

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Thanks sailor,! Might be a bad pressure tester. I hooked it up exactly the way the pic shown with the T fitting. I unhooked it and put my finger over the hose. Lots of pressure coming from the bike. I'm going to Napa in the morning and get a different tester.
The Fuel-Pressure-tester kit you saw in my earlier post, is this one (on AMAZON) - Nothing fancy but it does the job for $30. Of course, I already had a set of fule-hose quick-connector to install in-line without doing a mess:
http://www.amazon.com/ATD-5567-Injec...7316278&sr=8-1

What can you get at a motorcycle dealer for this price - they will probably charge you $100 just to remove fairing and start to troubleshoot. By the time they are done (and they have tried many substitute parts for trial-and-error) you will have a much larger invoice ;-)

-------------------------------------------------
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
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