Questions & Answers for: GMC high idle

...high and somtimes wont idle I changed the fuel pump and fuel filter on my 91' Sonoma recently and it ran again. The only problem is that it is idleing eratically. It runs this way most of the time. ...

...high idle problem My bravada is idling very high (3000+ rpms.) It does, sometimes, idle at the correct speed, like right after I start it, but as soon as I've driven it some, it idles high. I'm ...

high idle with new iac valve no difference 1509 trouble code high idle with new iac valve no difference With the engine running take a can of aerosol spray WD-40 and spray it at the vacuum lines, the ...

...high idle emissions. Emission numbers were 10-20x max legal limit (over 3000). Replaced the catalytic converter and EGR valve and cleaned the idle air valve and took back to emissions. Truck passed ...

high idle Truck Idles high in between gears, and when sitting. Once in a while it will kick back to normal idle, but mostly its high. Dang thing increases speed without gas in all gears Time for a IAC

high idle gmc 1988 s15 poor fuel economy no check engine light i have a 1988 gmc s15 starts after cranking for a while then idles high even after warming up stays that way run and drives but idles ...

high rpm at idle My jimmy rpm at idle has started running at very high idle already caused one accident due to high rpm at red light Check the vacuum hoses, and the intake manifold gasket for a leak.

high idle why starts the first time , and idles high. when i try so start vehicle the second time i have to put my gas pedal to the floor.it will finally smooth out to a high idle put when i put it in

...idle high at startup? why does the engine idle high for two minutes at startup? This is normal. All vehicles idle high at start up to get the engine to operating temperature. This is known as open ...

...idle is high with a scanner look to data if trottle angle is at 0% if it is at 1 or 2% this why rpm is high means for pcm trottle plate is open too much. adjust with scanner relearn. hope it ...