Join Date: Aug 2007
Location: Punta Gorda, FL, USA
Re: Changing injector o rings
I changed the lower rubber sleeves because someone in the past had it apart and when they re-assembled the sleeves between the throttle bodies and the intake manifold the rear sleeve did not seat properly. The result was an erratic idle. An easy check for an air leak is to spray a small amount of starting fluid around the throttle body assembly, if there is a leak, you will get a sudden rise in RPM.
As a matter of habit, when I have something apart, I always replace any gaskets, o-rings or seals. Sort of future preventive maintance.