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Discussion Starter #1
My 2009 K 12200 LT has recently become difficult to start. Sometimes it will only start with the throttle wide open. Engine has run sluggishly at first, but then peps up as it warms up. I'm wondering if a vacuum hose may have come loose, but have not investigated yet. Any thoughts or recommendations?
 

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No recommendations other than, "It's under warranty; take it to the dealer." If it were a vacuum hose, I don't think it would run better as it warms up.
 

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Yep. Dealer item. Don't wrench on it until the warranty is over. Otherwise your warranty might become problematic. It could be as simple as resetting the TPS but let the service techs handle it for now.
 

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Discussion Starter #4
Turns out that it seems to be bad fuel. Once I got the bad fuel out of the system and out of the tank, seems to be working fine.
 
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