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Prev Professional Automotive Repair Technical Discussions for April 10, 2013
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Open Help Requests for GM
Help Request Answers
1992 Chevrolet S10 Blazer Sport 4.3L compressor VIN: 1GNCS13W8N
I would like to replace compressor with after market 1 like on hotrods. Anyone know where or if anyone makes a kit, brackets, ect for sanden type compressor? Thanks in advance. This is my personal vehicle & I plan to keep it forever.
2005 Chevrolet Silverado 2500 HD 6.6L Stall, Misfire, MIL Lamp on VIN: 1GCHK232X5
This Truck will run fine for about 5 miles then start running rough and die if you pump the primer it will start an go another 5 miles or so I ran the air leak test on the fuel supply side and cam to replace the injection pump I am a ford tech and do lots of w... Trouble codes: P0300, P0202, P1294, P2149
2005 Chevrolet Avalanche 1500 5.3L Hesitation VIN: 3GNEC12TX5
Customer came in with a failed transmission. Replaced it with a Gm rebuilt. On Cold start[Has to be a very cold morning] truck will now hesitate bad until engine warms up. Only happens occasionally but if weather is very cold it will most likely act up. The fe...
2006 Chevrolet HHR LT 2.4L eps VIN: 3GNDA23P86
vehicle brought to us for check over,brakes/alignment due complaint of drift/pull to the left.our b tech inspected and noticed all the new parts.had our a tech check alignment and corrected serious camber issiues front and signs of accident damage(car ...
2004 GMC Savana 3500 6.0L Oil pressure VIN: 1GDJG31U84
Oil pressure gauge reading about 15 psi and engine making what sounds like a lifter noise. About 500 miles ago the fuel pump and filter was change, the fuel tank washed out, and the lines blown out do to a large amount of water and sugar in the tank. The oil w...
2006 GMC Envoy SLT 4.2L mode doors VIN: 1GKDT13S46
all mode doors work but no floor
2006 GMC Sierra 2500 HD SLT 6.6L Poor Idle Quality VIN: 1GTHK23D46
Hello to all you techs I have this customer who wants to replace all his injectors on this Duramax he is going to supply the new injectors, how much time should I get for labor and also his concern once I replace the injectors do we need to reprogram the PCM t...
2004 Saturn Vue Red Line 3.5L Misfire, MIL Lamp on VIN: 5GZCZ63424
i have checked timing marks twice, checked valve adjustment,install denso iridium plugs, and still check engine light for misfire Trouble codes: P0300, P0301, P0302, P0303, P0304, P0305
2006 Saturn Ion-3 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G8AL55F96
I inherited this from another tech here iin the shop. Twice(!!!) it has misfired on cylinder 2 & 3. No rhyme or reason. Shut the car off, count to 12, and it runs fine. Now I have it. The only odd thing I have seen is the cooling fan. All if fine up to abou...
2006 Saturn Ion-3 2.2L Starter VIN: 1G8AL55F26
This Ion came in with a customer described intermittent no start condition. Customer replaced battery, verified battery is good with load test. We had the car several hours and could not verify concern until we went to park it. Starter solenoid rapidly clicks ...

Fixes & Summaries for GM
Fix/Summary Answers
1991 Buick Riviera Luxury 3.8L idle VIN: 1G4EZ13L3M
As someone replied I belive the code was from not having the grounding lug on the DLC connected. AS for the stall removed the throttle body and cleaned no more stall. Thanks to everyone who replied.
1998 Chevrolet Express 3500 LS 5.7L MIL Lamp on VIN: 1GBJG31R9W
Turns out this engine had been rebuilt, apparently one full degree advanced. It was making me pull out what little hair I had left. Finally figured that out and got it in time after much trial and error. Thanks for all the suggestions. Trouble codes: P345.
2002 Chevrolet Astro LS 4.3L Hesitation, Cuts out VIN: 1GNDM19X42
Thanks for all of the suggestions but we figured it out kind of by accident. The mechanic took the dog house off (again) and while he was poking around in there he got zapped by the coil wire. I guess it was arcing on the metal insulation on the dog house when...
2008 Chevrolet Uplander LS 3.9L MIL Lamp on VIN: 1GNDV23W38
2009 Chevrolet Aveo LT 1.6L Misfire, limited power
i appreciate everyone that took time to offer help. the fix was to replace the throttle body. was told by customer that "throttle sensor" had been replaced - don't know about that. i checked the tps signal (both) w/lab scope. signals were perfect - no glit... Trouble codes: P2176.
1999 GMC C1500 Suburban 5.7L Misfire VIN: 3GKEC16R1X
thanks to all the replies, all very good info, we tried new delco cap and rechecked compression it was at 180 psi all cyls, cyl, #5 would miss at 72 mph only if i drove at 70 mph no miss fire, in the end we concluded fuel pressure was to low at 55 psi specs sh... Trouble codes: P0300.
1994 Oldsmobile Cutlass Ciera 3.1L alternator VIN: 1G3AG55M3R
Thanks for all the replies. I ended up tearing apart the entire wiring harness throughout the engine compartment. I mistakenly called the fuse that was blowing the fuel pump fuse. It really supplied several things (including the PCM battery terminals.) I found...
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