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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 31, 2014
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Open Help Requests for GM
Help Request Answers
1999 Chevrolet K2500 Suburban 7.4L MIL Lamp on VIN: 3GNGK26JXX
This one has me stumped. What's going on with this vehicle is its over calculating with it's MAF sensor. AT idle, the total fuel trims are -10 on bank 1 and -12 on bank 2. Under a load, they're -25 to -30. If I unplug the MAF sensor and reset the fuel trims, t... Trouble codes: P0102, P0172, P0175
2011 Chevrolet Traverse LT 3.6L Headlights VIN: 1GNKRGED0B
Vehicle come in with the left head light not working, checked the fuses and had voltage at the fuse and not the head light wire was open, remove the fuses box to check plug ends, looked ok, reinstalled fuse box to double check something eles, now the left one ...
2005 Pontiac G6 GT 3.5L Steering wheel VIN: 1G2ZH52825
Common noise in Most GM is rack and pinion bad or the intermediate shaft bad. Replaced bad rack and pinion along with a new designed intermediate shaft. Moving steering wheel back and forth 2 to 3 inches either side makes same type of noise that a bad intermed...

Fixes & Summaries for GM
Fix/Summary Answers
2012 Chevrolet Malibu LTZ 3.6L Misfire VIN: 1G1ZG5E72C
Thanks for all that replied. I did cylinder leak down test cold, pressured coolant system cold looking for coolant in cylinder, smoke check cold looking for vac leak all test were negative. Thought about carbon issue ran sea foam thru cylinder but a can in gas... Trouble codes: P0302 (Miss 2 Cyl).
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