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Prev Professional Automotive Repair Technical Discussions for February 2, 2015
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Open Help Requests for GM
Help Request Answers
1997 Buick Skylark Limited 2.4L security system VIN: 1G4NJ52T2V
This is a security system problem. 97 Buick Skylark. I have replaced all three of the security related parts with no luck on the fix. Sometimes I can get it to program and it starts up and runs. But it always sets a P1629 code in the ecm. Not very often, but o...
2002 Buick Century Custom 3.1L No Start VIN: 1G4WS52J02
got a real hair puller here.i no I must be missing something.car came in 2 days ago on the hook.of coarse it started right up for me,drove in shop.check codes and only thing in there is p0463 fuel level circuit.gas gauge reading erratic also.gave him a estimat... Trouble codes: B2958 (p1626-), P1626 (p0463-), P0463
1997 Chevrolet Express 1500 5.7L No Start VIN: 1GBFG15R0V
Van came to shop with a no start condition after the van had been sitting for a few years. We first checked fuses and found the ECM1 fuse blown. We then checked fuel pressure, and spark. Fuel pressure is good- 58 psi with KOEO, 62psi while cranking. Spark- goo...
2000 Chevrolet S10 2.2L emissions VIN: 1GCCS1443Y
Customer is trying to get vehicle through emissions testing and fails for incomplete monitors. The monitors that will not reset are oxygen sensor, catalyst, and evap. We have tried two different drive cycles a hand full of times and to no avail. Does anybody h...
2008 Chevrolet HHR SS 2.0L Ecm VIN: 3GNCA73X38
This car will not crank.No trigger line to starter.Also no communication with ecm, or anything else on high speed bus.Bcm communicates, shows proper power mode pids from ignition switch.Pcm has grounds and one power.The other powers are provided by the pwr/trn...
2009 Chevrolet Aveo5 LS 1.6L Engine Control VIN: KL1TD66E19
This vehicle came to us with a failed engine. Replace the Engine with low mileage salvage yard unit. Vehicle will not idle or accelerate. We replaced the fuel pump for possible volume issue still not change. Inspected all of the engine harness, swapped old par...
2006 Pontiac Torrent 3.4L heater core VIN: 2CKDL73F96
The heater core on this Torrent is leaking. I have the dash out and according to alldata I have to remove the tie bar. It's tied in with the HVAC assembly. I can't get the tie bar out. Am I doing this right or is there another way. Please help

Fixes & Summaries for GM
Fix/Summary Answers
1990 Chevrolet S10 Blazer Sport 4.3L blower fuse burns VIN: 1GNCT18ZXL
well gang, I think it's fixed! Found 2 problems! 1. - wire harness on passenger side at rear of engine rubbed thru and exposed a wire - was very happy until problem recurred!! - I believe the diode at the compressor clutch connector has an intermittent short -...
1998 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCCS19X7W
Thanks for all the replies. Mike & Timothy were right. We changed with an OEM EGR valve, actual and desired is matching only going down the road. Trouble codes: P0404.
2002 Chevrolet Camaro Z28 SS 5.7L Ignition System VIN: 2G1FP22G42
Thank you to all who replied. Well we got the vehicle back Thursday night, Friday morning checked the voltage on the ignition switch side of the "Starter" fuse. That's where the lag was. The adjustment of the switch seemed good. Replaced ignition switch and al...
2012 Chevrolet Express 3500 6.6L Constant regen VIN: 1GBZGUCL9C
This unit went to local gm dealer, I was provided with the following info. Two forced regents were completed, soot load down to zero percent, unit back in service. Wish I had more info to post here, as a couple months ago this unit received a forced regen he... Trouble codes: P24A0.
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