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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 26, 2014
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Silverado 1500 4.3L Unknown VIN: 1GCEK14XX3
hello i can't tell you what is wrong becouse i don't know.i have been working on this 03 silverado 4x4 for 2 weeks & can't figger out the problem is. When you stop the truck trimbles all over like you are driving on a wash board.The front hub assy are new, fro...
2005 Chevrolet Silverado 1500 LS 5.3L 4 wheel drive VIN: 2GCEK13T85
Truck came in and customer had already install al new parts but still wasn't getting his 4x4 to work. The code that it's giving me is co321 transfer case lock circuit malfunction. I've never seen this code before can someone put me in the right direction like ...
2009 Chevrolet Silverado 1500 WT 4.3L spark knock VIN: 1GCEC14X49
Customer brought this vehicle in stating that it will not back up a hill, there is no power in reverse, the customer is hard of hearing and did not hear the spark knock (sounds like a diesel idleing.) Monitored the scan data and the fuel trims were 0 to -1. We... Trouble codes: P0326
1999 Pontiac Grand Prix GT 3.8L Fuel Gauge VIN: 1G2WP52K5X
Need some help. Car came in with a inoperative fuel gauge. tested the sending unit and had no resistance coming out of it at all. Replaced the fuel pump and sender and the fuel gauge moves up and stays on full for a while then will drop to empty in about a min...
1999 Saturn SC1 1.9L park lamps VIN: 1G8ZN1283X
Customer presented vehicle(towed in) with a locked up steering column, a key & tumblers along with other column related parts strewn about. His original issue was no crank. A "friend"; a vo-tech student suggested they replace the ignition switch. I suggested a...

Fixes & Summaries for GM
Fix/Summary Answers
2002 GMC Sierra 2500 SL 6.0L Misfire VIN: 1GTHK23UX2
Well this one is fixed, Thanks to all that helped out! It took a Crank Sensor Relearn to fix the issue, when I was warming the engine up to perform the relearn I had the engine reved up at 2500 and the P0300 reset with the vehicle stationary, On this vehicle T... Trouble codes: P0300 (random missfire).
2001 Pontiac Aztek 3.4L fuel gauge VIN: 3G7DA03E71
so after waiting for customer to aprove the replacement pump assembly the aztek fuel gauge is now working correctly thank you all for your help in leading me in the flow of how this works because of the lack info on alldatat had me going crazy. thanks again
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