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Prev Professional Automotive Repair Technical Discussions for July 4, 2009
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Open Help Requests for GM
Help Request Answers
1992 Chevrolet K2500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 2GCFK29K8N
when the problem is not occurring i have communication with my genisys ,no codes ,vehicle runs fine .. problem does not occur while driving ..only when vehicle has been parked and you go to start it...when the problem occurs the SES lite comes on solid ,,, veh...
1993 Chevrolet S10 4.3L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GCCT14Z9P
Vehicle runs fine until i shut it off and let sit for a few minutes (after reaching full operating temp.)... then when i start it back up and bring it to anywhere above 1500 rpm it cuts out like its dropping a cylinder...each time it misses there is a correspo...

Fixes & Summaries for GM
Fix/Summary Answers
2001 Pontiac Aztek 3.4L Poor Idle Quality VIN: 3G7DA03E21
I wanted to wait a few days before I posted to make sure the problem didnt reoccur & so far it hasnt. I drove this Aztek around last Saturday, it idled high several times, this time after shutting off & restarting the idle stayed high. It would eventually go d... Trouble codes: B3840, B3841.
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