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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 25, 2014
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet C3500HD 6.5L Cuts out, Stall VIN: 3GBKC34F02
After all those parts in the truck I really can only idle it. It is not like a bump knocks it out just driving then a tough restart. Cold it fires right off- very stumped. Trouble codes: 1643 (glow plugs)
2002 Chevrolet Trailblazer LS 4.2L oil pressure VIN: 1GNDT13S52
Customer noticed Check Gauges and Zero oil pressure on gauge after getting off highway. Customer replaced oil pressure switch. I hooked mechanical gauge in place of switch. Started engine cold and pressure was at 55psi., after about five minutes( not babysitti...
1996 Geo Tracker 1.6L No Start, Hesitation, Cuts out VIN: 2CNBE1868T
Hello all!! I have a tracker here that's just about got me pulling my hair out. customer originally brought the vehicle for a no-start. After testing we decided the ignition coil is weak (not putting out enough voltage to jump the spark plug gap) have to buy a...

Fixes & Summaries for GM
Fix/Summary Answers
2000 Chevrolet S10 2.2L No Start VIN: 1GCCS1448Y
Thank you for everyones replies and help. We started by retracing our steps checking the wiring and fuses. we were always checking batt. voltage and grounds with just the key on before. Just for kicks we decided to Check power at the ECM fuse that powered the ...
2006 Chevrolet Trailblazer LT 4.2L 4wd VIN: 1GNDT13S96
Thank you for all your help!I removed the module and found a burn spot on the board,I cleaned it up and repaired the connection.After that I hooked my scanner back up and also found the encoder motor not working.Replaced the motor now the system it switching ...
2001 GMC Yukon XL 1500 SLT 5.3L MIL Lamp on VIN: 3GKEC16T91
thank all of you that helped. checked pin 34 dkgrn/wht wire at ECM found no voltage. then tried the ford diagnostic test (wiggle test) and got voltage. found frayed pink power wire right where the connector snaps into the purge valve. (note to self---dont be l... Trouble codes: P0440, P0443.
2004 Pontiac Grand Prix GT2 3.8L Surge, Poor Fuel Economy VIN: 2G2WS54284
Thank you for all of your suggestions, we have the answer...The torque converter was bad. Replaced the converter and all is well again. Now if we can get some decent weather I can get a mileage reading again.
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