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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 11, 2015
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2006 Cadillac DTS 4.6L starts and stalls VIN: 1G6KD57Y36
can line voltage only tested so far dlc... pin 1 low speed data//1.9 volts...pin 6 high data+//2.3 volts...pin 14 high- //2.3 volts...and pin 7 key word ser data 2.3...starts and stalls mostly cold but after warm up too...with key left on 3 minutes or more in ... Trouble codes: P0615, C0277
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2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 1GNCT18WXY
Hello everyone, We have another 'doozy' and would appreciate your feedback; customer came back in to shop after replacing the oxygen sensor, wires and plugs with a intermittent surge, rough idle complaint. Found the oil pressure sending unit to be leaking oi... Trouble codes: P0171 (Fuel system lean), P0420 (Catalytic system efficiency)
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2004 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK23174
Had a high fuel pressure code. Checked for leaks. The vehicle will not start and will not build any pressure with the air dog system. The fuel filter prime assembly has been remove so i have no way of priming the system if the airdog goes down. It will build l...
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2008 Chevrolet Express 2500 4.8L Abs Light VIN: 1GCGG29C38
This truck had a typical front wheel speed sensor failing to read slow speeds just before dead stop and activating abs. Confirmed which speed sensor was lazy with the live date on the scan tool and replaced with a new one. While the lazy speed sensor was out i...
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2009 Chevrolet Silverado 1500 LT 4.8L MIL Lamp on VIN: 2GCEK29CX9
replaced fuel pump assembly, with new dealer pump, live data pressure sensor reads 80psi I put a manual guage on rail to find 80psi, after replacing pump I still have 80psi at rail nothing changed, from what I read fuel pump module is part of assembly, an even... Trouble codes: P069E, P0191 (Fuel rail pressure sensor circuit performance)
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2011 Chevrolet Silverado 2500 HD LTZ 6.6L Stall, Wrong fuel added VIN: 1GC1KYC87B
Good morning members. This 2011 6.6 Diesel was unloaded in my lot this morning. The driver had borrowed this pickup from a neighbor and accidentally put gasoline in the diesel tank during a fuel refill. Stated that it went about 11 miles before stalling. Tank ...
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Fixes & Summaries for GM
Fix/Summary Answers
2005 Buick Rendezvous CXL 3.4L Hesitation VIN: 3G5DB03E95
This was the right rear wheel bearing/speed sensor causing the traction control to activate @40%throttle .The fix was replacement of the wheel bearing/speed sensor. Thanks to all for their help. I would like to note this is the second time I'm closing this he...
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1994 Chevrolet Camaro 3.4L MIL Lamp on VIN: 2G1FP22S7R
so, fixed this one egr sol #2 wire was bypassed ran a jumper from pcm to sol and seems to have fixed the o2 code too, now I checked that wire many times but I guess there must be some kind of resistance in it. I just left the jumper wire but I ran it nicely ac... Trouble codes: 76 (egr solenoid 2 problem), 13 (o2 sensor circut open short or bad).
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2005 Chevrolet Colorado Z85 LS 3.5L Starter VIN: 1GCDT13675
Thanks for all the replies. We definitely agree it was a power issue. The tip for using the jumper cables was one we hadn't thought of. We Could not detect any voltage drop. Tried another known, good battery still no change. Customer had modified battery ...
21
2009 Chevrolet Aveo LT 1.6L Poor Idle Quality, Misfire VIN: KL1TG56E29
ok still have car and have not completed repair. have a large post with a lot of info but due to people out sick. have not had time to sit down and post pics and write up. will past as soon as i can Thanks to those who replied
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2009 Chevrolet Tahoe LS 5.3L rear a/c lines VIN: 1GNEC13379
I got this Tahoe taken care of, I went the route that Dave and Steve suggested and got the SUR compression fittings. The part numbers were AC38 for 3/8" and AC58 for the 5/8" line. These are nice compression fittings complete with an o-ring. They were a little...
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