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Prev Professional Automotive Repair Technical Discussions for March 11, 2010
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Open Help Requests for GM
Help Request Answers
1995 Buick Riviera 3.8L No Start VIN: 1GAGD2219S
Car came in on flatbed. Owner stated that was through carwash the night before, Next morning was started and was running in garage. When he went out it wasn't running anymore. Tried to scan(OTC Genesis). I can get into all modules except the PCM, Has codes 38(...
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1991 Chevrolet Camaro RS 3.1L MIL Lamp on VIN: 1G1FP23T9M
Vehicle sat for three years. Came in needing a fuel pump. Replaced pump and it started. Would run but die. We found the computer was bad (tap test). Replaced using the same mem-cal(prom). Doesn't die out now, but the check engine light comes on after a bout 10... Trouble codes: 43 (ESC Circuit)
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1994 Chevrolet Camaro Z28 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 2G1FP22PXR
I'm looking for some fresh perspective on this car. The customer brought the car to us a few months ago as a no-start. I diagnosed a faulty optical sensor in the distributor (not the first time in this particular car). Customer towed it home and replaced the O...
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1999 Chevrolet K1500 Suburban 5.7L MIL Lamp on VIN: 3GNFK16R4X
There were no codes before we changed the intake gaskets. The long term fuel trim goes to 25% on both banks within 5 miles of driving. Plugs are clean and gas readings show the system is lean. We have done the usual, smoked the intake-no leaks, fuel 10% alcoho... Trouble codes: P0171 (Bank 1 Lean), P0174 (Bank 2 Lean)
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2002 Chevrolet Cavalier 2.2L fuel gauge VIN: 1G1JC52432
hy guys this car the gas gauge- speedo- coolant temp- stop working at any given time the theft light comes on when this coditon ocurs and the brake light .the condition may be there for seconds or minutes.ihave instaled a new body control module and a used clu...
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2003 Chevrolet Silverado 2500 HD LS 6.0L Hesitation, MIL Lamp on VIN: 1GCHK24U33
i have a 2003 cheverolet silverado 2500 hd with 6.0-throws codes p0120-tps circuit-p2135 corralation problem-customer states low power and ckeck engine light-each time this has taken place,by the time he can get the truck to the shop-we find that the check eng... Trouble codes: P0120 (tps), P2135 (calibration)
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2007 Chevrolet Tahoe LT 5.3L MIL Lamp on
No VIN at the momment, truck at work and I'm home. Short history. I replaced all lifters about 2k miles previous due to a couple collapsed(active fuel mngt). Cust has returned w/ mil on and p0171, lean bank 1. Have verified and duplicated twice now. Bank 1 wil... Trouble codes: P0171
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2008 GMC Sierra 1500 SLE 5.3L noise VIN: 3GTEK13368
this truck has a chirpeing noise by the bell housing already removed belts noise still there. sounds like the flywheel brally touching some thing i removed trans and fly wheel see nothing . sounds like a slightly cracked flywheel. found nothing should i get it...
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2002 Saturn L200 2.2L temp gauge VIN: 1G8JU54F52
hi all this saturn has a temp gauge that starts to go warm then jumps to full hot and hot lite comes on replaced cluster for the same issue but temp gauge would stay hot at all times can watch temp on tech2 and it goes up nice and slow to operating temp so it'...
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2002 Saturn Vue 3.0L bcm failure VIN: 5GZCZ63B72
We had another shop send us this Vue to program the BCM they replaced. The old one failed and could not read the odometer, their tech thought it was about 130,000 miles. We used the Tech2 and the legacy passthru procedure as we have done many times before on o...
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Fixes & Summaries for GM
Fix/Summary Answers
1991 Buick LeSabre 3.8L Excessive Emissions, No Start, Stall VIN: 1G4HR51C2M
THANKS TO ALL. I DID LOOK @ MANY THINGS THAT YOU GUYS TOLD ME TO LOOK @ AND KEPT COMING BACK TO THE MAF. YES BOUGHT AN NEW MAF AND THIS FIXED THE PROBLEM. SHOULD HAVE KNOWN BUT THE USED ACTED THE SAME.WHAT ARE THE CHANCES. THIS WAS NOT A DIRTY MAF PROBLEM BUT ...
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2000 Chevrolet Silverado 2500 6.0L shifting out of OD VIN: 1GCGK29U4Y
Well this one is fixed! First thing is to everyone that took the time to respond, Thanks. Now the owner had said it was shifting out of overdrive, but after I drove it, just the torque convertor was unlocking. So I have code P0300 and the convertor unlocking. ... Trouble codes: P0300 (Random Misfire).
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1995 GMC W3500 Forward W3S042 3.9L stalls VIN: J8DC4B1K15
Thanks gentelmen for your help. I recieved 4 replies, one about the torque convertor and 3 regarding the compression brake. I mentioned the replies I got and the owner turned off the compression brake when he shut the truck down the night before and it will dr...
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2004 GMC Envoy SLT 4.2L transfer case VIN: 1GKDT13S74
thanks to all...i did replace the seal on the tcase. I guess the fluid could go the other way as well.you don't seethis all the time.
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2006 GMC Sierra 2500 HD SL 6.0L steering box,linkage VIN: 1GTHK24U36
Well,I am going to call this truck fixed.Thank you all for your replies.Randall and Matthew had it right about the non-stock rims/tires.This customer had gone to a tire shop (chain store)a few months back and bought 4 new original size tires and thought he wou...
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2006 Pontiac G6 2.4L MIL Lamp on VIN: 1G2ZF55B26
WE REPLACED REAR O2 SENSOR WITH GM SENSOR . NO MORE LIGHT. THANKS FOR THE HELP! Trouble codes: P0054.
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2005 Saturn Vue 3.5L security VIN: 5GZCZ53485
Found flashing light with system armed normal had oem sivertop delco battery defective 135 cranking amps(bad cell),Light was never flashing or on with vehicle running.Only has a .25ma draw with security armed . Customer is happy and educated on the operation o...
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