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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 5, 2019
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Open Help Requests for GM
Help Request Answers
2008 Chevrolet Malibu LT 2.4L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1G1ZH57B48
got this Malibu that is surging at idle and stalling seems worse after running for awhile, when taking off has low power that is mild to severe at times. if you slam the throttle in park it will just stall 9 out of ten times, fuel pressure stays at 50 psi ...
2011 Chevrolet Suburban 1500 LT 5.3L Misfire VIN: 1GNSKJE38B
all the basics tests are done and all numbers are in specs.the misfire is really intermittent!!under cruising to slow acceleration only.ign coil spark plug and wire are swapped to no avail.its always number 7!we can see the afm solenoids working in the pid... Trouble codes: P0300
2014 Chevrolet Malibu LT 2.5L No Start VIN: 1G11E5SL9E
This vehicle came in for a MAP sensor problem. After sensor replacement MAP code did not come back. After repair the vehicle would crank, but would not start. Tested for fuel pressure, 70psi. Tested for spark, spark present. Pulled all system codes. Only o...
2017 Chevrolet Traverse LT 3.6L Autostop not working VIN: 1GNERGKW6J
After fuel induction service, the autostop feature has stopped working we tried to reset it with the scanner, relearned the idle etc. No success please if you have had this issue before let me know how to make it work again thanks
2007 Pontiac Torrent 3.4L Misfire VIN: 2CKDL73F07
Vehicle has po300, but only cylinder 5 misfire. New plugs, wires and coil. Injector balance test good, injector ohms out good. Compression at low end 100 psi. Misfire random. Vehicle drives good one test drive the next you can feel it missing. Any suggesti...

Fixes & Summaries for GM
Fix/Summary Answers
2008 Chevrolet Suburban 1500 LTZ 5.3L Excessive Emissions, Misfire VIN: 1GNFK16308
Customer still wants to put lifters in, but has not made up his mind. Thanks for all the good input. Willie's Service Trouble codes: P3000.
2012 GMC Yukon XL 1500 Denali 6.2L engine VIN: 1GKS2MEF6C
Replaced lifters with complete set the from gm dealer. The enginetech and gm afm lifters were identical with the exception of a yellow paint mark on the gm lifters possibly some form of quality control marking. The non afm lifters were completely different tha...
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