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Prev Professional Automotive Repair Technical Discussions for September 13, 2013
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Open Help Requests for GM
Help Request Answers
2003 Buick Rendezvous CX 3.4L egr fuel gauge VIN: 3G5DB03E93
wow what confusion on this simple fuel gage nite mare. customer is complaining that the fuel gauge flucuates. please excuse my spelling. it will flucuate from an 1/4 tank to almost 3/4 tank just driving up and down a small incine. and with a full tank of gas o...
1999 Chevrolet Corvette 5.7L MIL Lamp on, Temp gauge erratic VIN: 1G1YY22G4X
Hello All... this vette came to me with a complaint of erratic Temp gauge and hesitation. Its setting codes P0117 and P1114. I tested the ECT circuits 718 and 410 from sensor to PCM by loading the circuits with a headlight... good and bright no problems with c... Trouble codes: P0117 (ECT sensor circuit low voltage), P1114 (ECT sensor circuit intermittent low voltage)
2002 Chevrolet Trailblazer LS 4.2L Cuts out, Stall, MIL Lamp on VIN: 1GNDT13S72
Hey guys, I'm a little stumped here. This is the boss's trailblazer. It has stored codes for system too rich AND system too lean. I have it idling right now and STFT is -18, LTFT is +11, FT cell is +20. When I increase the rpms up to around 2000 or 3000 the fu... Trouble codes: P0171, P0172 (Bank 1 rich)
2005 Chevrolet Cobalt 2.2L No Start VIN: 1G1AK52F65
Happy friday IATN. I have a probleme child here with no information on where to go. This little chevy Cobalt doesn't want to start. It has no power to the fuel pump. I traced it back to the fuse box. I doesn't get power to the fuel pump fuse. Mitchell says t...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Cadillac SRX 3.6L Starter VIN: 1GYEE63754
Looks like the ECM fixed the no start and the key getting stuck but the engine running with the key removed remains a mystery. It only did it twice after replacing the ignition switch. We tried all day on Monday and it never acted up. So the customer agreed to...
1997 Chevrolet S10 4.3L Abs inop VIN: 1GCCS19X8V
after all information came n i actually followed to the tee,my scanner had codes n it was one of my first ABS to scan found codes n replaced both sensors after doing wiggle test like told.worked out fine.learned that even though u get MPH readin on scanner sti...
2003 Chevrolet Trailblazer LTZ 4.2L compressor VIN: 1GNDS13S23
connected both batt cables together left like that for a good 10 minutes. turned key on without touching AC, let sit for 2 minutes. turned off and restarted and everything is working -thanks guys :)
2010 Chevrolet Silverado 2500 HD LT 6.0L hvac controler VIN: 1GC4KXBG6A
well the fix was to replace the temp actuator, it was skipping the signal and causing the system to go full hot, Thank you for all the replies. David
1998 Oldsmobile 88 Royale 3.8L Converter VIN: 1G3HN52K8W
Most replies were for valve body defects . Customer does not want to throw any more money at the car.
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