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Automotive Technical Exchange for the Automotive Repair Professional
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
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1992 Chevrolet K2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on
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...
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1993 Chevrolet S10 4.3L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on
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...
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Pontiac Aztek 3.4L Poor Idle Quality
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 (park lamps circuit low), b3841 (park lamps circuit high).
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