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Professional Automotive Repair Technical Discussions for July 3, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Cadillac CTS 3.6L Hesitation VIN: 1G6DM57774 An easy one for you Good Wrench guys. Got this '04 CTS with a 3.6. The engine wiring harness that runs down by the upstrean 02 on the driver's side has melted together. It runs back behind the engine and firewall and this baby is one tight fit. This part of th... |
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| 1989 Chevrolet C1500 Cheyenne 5.7L Cuts out, Misfire VIN: 1GCDC14K3K HELP!!! This truck is killing us! Problem is put under load (2nd gear or 3rd chugging up a hill) truck will miss like a plug wire! Hooked up scope and patterns are great! So checked fuel pressure its ok new plugs wires cap rotor dist.x2 ignition modx2 drove wi... |
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| 2004 Chevrolet S10 LS 4.3L Fuel Fill VIN: 1GCDT13X14 Customer says truck will not take gas. From what i have found its in the fill neck and the anti syphon valve. Has any one seen this and is there a fix. Thank you |
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| 2005 Chevrolet Uplander 3.5L No Start, Stall VIN: 1GNDV03L15 Customer complaining that vehicle would stall randomly after 15 min or so of driving. i checked everything from fuel pressure to crankshaft sensor and camshaft sensor and they were all giving me a perfect reading! on a test drive the vehicle stalled a few time... |
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| 2012 Chevrolet Express 3500 LT 6.0L Hesitation, MIL Lamp on VIN: 1GAZG1FGXC Van came into shop with problem of dying out 3 times up at 8k foot level at Mauna Kea. Pulled codes P0332, P0336 P0341. Van starts fine, idles fine, but as soon as you put it in gear and under load it hesitates. More gas you try to feed the worse it gets. You... Trouble codes: P0332 (Knock sensor 2 signal low voltage), P0336 (Ckp sensor a 18/24x signal performance), P0341 (Cmp sensor circuit signal performance) |
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| 2007 GMC Sierra 1500 Classic SL 4.8L Hesitation, Cuts out, Stall VIN: 2GTEC13VX7 Customer stated he stopped at a tollbooth and when he tried to accel back onto turnpike vehicle hesitated and started clattering. I have verified customers concern. vehicle will sometimes start fine and run halfway decent but with a clattering sound on accel. ... |
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| 2000 Pontiac Sunfire SE 2.2L head lights/day time running lights VIN: 1G2JB5245Y I have checked connector c101 and all the splices related to the daytime running lights and the low beams. the high beams do work. what could i be missing. any help would be great. |
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| 2005 Pontiac Grand Prix GT 3.8L Cuts out, Stall VIN: 2G2WS52245 This engine cuts out, quits no warning while driving. We have clocked it at 13 to 16 min.s into a drive from a cold start. We did a "re-flash" the PCM as we thought it might have gotten "scrambled" somehow. ( we have seen other GM products in the past have som... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Chevrolet K1500 Cheyenne 5.7L master VIN: 1GCEK19R6W I THANK EVERY ONE WHO REPLIED TO ME I AGREE WITH MOST OF YOU IT IS A BILT IN PROBLEM FROM GM & CAN'T BE FIXED WITHOUT REPLACING THE WHOLE BRAKE SYSTEM. WELL I THANK EVERT ONE.CHARLES |
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| 2006 Chevrolet Uplander LT 3.9L pressure control VIN: 1GNDV33116 well got this one fixed, found out the 3 dealerships in this area dont have a clue and must work off faith and glory. ended up being the fuel pump. had good pressure and lacked volume, so the lean condition had the pcm jack the pcs straight to 0.0amps. thanks ... |
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| 2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Right rear caliper VIN: 1GCHK23D87 Sorry for the delay, had a unexpected trip that had to be made. the truck appears to be fixed. We replaced the ABS module. I guess when the front bakes were replaced at the other shop they pushed trash back into the module when pushing the caliper pistons back... |
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| 1992 Geo Tracker 1.6L No Start VIN: 2CNBE18U2N I removed the ECM cover and found a burned circuit board in the corner near the green connector - as predicted by several responders! It seems the injector circuit on these single injector cars is a weak point. Larry [...] has replaced the ECM on one of these... |
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| 1988 Pontiac Grand Prix LE 2.8L engine VIN: 162WJ14W1J thank all, your all were on the money on injector ristance, very back inj, 0 ohms...2 low 7.5,,,should all be 12.5 ohms,,,junk yard ohm metter time at the local pull a part many thanks |
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| 1998 Pontiac Firebird Formula 5.7L Cuts out VIN: 2G2FV22G4W I replace the fuel regulator and it ran good for 100 miles . Then it pushed the o ring out at the regulator. Talk to the owner and replaced the fuel pump with a new Delphi. That fixed the problem. i believe the last shop who worked on this tried to take the f... |
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| 2001 Pontiac Grand Prix SE 3.1L No Start, Hesitation, Cuts out, Stall VIN: 1G2WK52J91 After Tracing the harness found many bare wires near radiator support all oil soaked in wire loom. repaired wires seems o.k. now. thanks for all the info! |
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| 2006 Pontiac Solstice 2.4L Engine VIN: 1G2MB33B26 Well this fix was too easy. The timing cover removal is a very easy procedure, nothing tricky. The tensioner is right there easy to remove, and a 90 degree turn of the pluger will reset it. I used a left over pin from a timing belt tensioner to hold it down. R... |
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