2002 GMC Sierra "not idle" Questions

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Question about GMC Sierra

1 Answer

idle speed has not been learned the vehicle will need to be driven at speeds above 70 km/h (44 mph) with several decelerations and extended idles. 7. After the drive cycle, the engine should be idling

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...not at idle any ideas why why won't my duramax heat up at an idle No diesel I have ever owned will heat up to operating temp while idling. I have had semi's and dump truck and a Dodge with a Cummings ...

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and idle, but will not feed any more fuel. Then dies again. I have replaced the map sensor and MFA sensor. What can I do? Have you checked your running fuel pressure AND VOLUME under load and at idle

Question about GMC Sierra

1 Answer

...idle. • When not replaced, vehicle could experience high or low idle, engine dies at idle and/or severe high idle possibly causing internal engine damage and safety issues. • Designed to meet or ...

not too rich. Completely lost for any other avenues to check for low idle emissions failure? Any suggestions would be greatly appreciated. Catalytic converter. It heats up and burns off unburned fuel,

Question about GMC Sierra

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...idle high as soon as i start it. when it is idleing high the trans. does not shift when it normally does it shifts at a lot higher rpm than normal and shifts hard like it has a shift kit in it. any ...

Question about GMC Sierra

1 Answer

...a snap in pedal and release. If this doesn't work you will need to replace idle speed control. The idles is set by manufacturer and should-NOT be adjust manually. Good Luck and Thanks for using FIX ...

...idle semi-correctly when engine is hot did you clean the port before you replaced the iac valve, and measure the pntle before putting it back in, whenyou buy a new iac valve you can't assume the ...

Question about GMC Sierra

2 Answers

...problem I suggest you have the injectors tested by the dealer, the sludge buildup will not cause a miss fire. to clean the throttle body use carberator spray while holding the engine idle

Question about GMC Sierra

1 Answer

...idle back up. sometimes, (not very often) I can get it too idle down. also I set the timing but when I plug the timing wire back in at the junction box and restart it the timing will advance 4-5 ...

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