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2000 GMC pickup missing at idle speed?
I have a 2000 GMC pu with a 350 ci eng. I had a complete tune up about 8000 miles back. New plugs, wires, distributor components, MAF. I have used injector / carb cleaner. It's missing at idle speed 50 / 55 mph. After it gets to operating temp, it runs ok. Could it be ERG, check eng light is NOT coming on.
GaryM & bandit6 thanks for your help. Changed the idle sensor, appears to be running ok now.
2 Answers
- 1 decade agoFavorite Answer
This problem sounds like the idle sensor is bad'You can find it in the throttle body where throttle cable attaches. Auto Zone will run test for free .However i would go ahead and replace the old one.
Source(s): Auto Zone parts tech. - bandit_60Lv 71 decade ago
it could be like what gary said, the idle air control sensor could be dirty. another thing can cause it too. if the throttle body get,s all carbon up. you might ask them if they cleaned it.
