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Prev Professional Automotive Repair Technical Discussions for September 28, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2001 Buick Regal LS 3.8L turnsignals VIN: 2G4WB55K81
This vehicle intermittantly but frequent. When you use turnsignals it will cut off engine, also fuel guage will go to empty,ses will come on ,abs trac light also. turn off turnsignals and vehcile will start right up until turn on again and will instantly die. ...
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2006 Cadillac STS 3.6L starting and dash componates VIN: 1G6W677160
help out there fellow cadillac techs, i have the 2006 sts that is driving me crazy. it does not want to starting whenvever it feels like it. i looked at the past history, and it has had everything from batterys replaced to wiring to the transmission fixed. so ...
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1985 Chevrolet Corvette 5.7L Stall VIN: 1G1YY0788F
Engine has full tuneup. All parts are new AC Delco. New cap, rotor, plug wires, spark plugs, ignition coil, ignition module. ECM has been replaced already with a reman AC Delco unit. Original prom from vehicle was reinstalled for diagnostic purposes (known go... Trouble codes: 42 (Electronic Spark Timing), 44 (Lean Exhaust Condition), 45 (Rich Exhaust condition), 51 (Faulty or improperly installed prom), 53 (System over voltage)
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1997 Chevrolet C1500 Silverado 5.7L 4x4 VIN: 1GCEK19R1V
The front axle is electronic controled as far as 2 high-4 high and 4 low is concerned and it will not do anything but stay in 2 high. Before I start into it I would like to ask if any one knows where the module is located.
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1998 Chevrolet Lumina 3.1L Excessive Emissions VIN: 2G1WL52M5W
What am I missing?? Driving down the road fuel trim % stay close to 0, but at idle they go -18. Checked fuel press and regulator, all is well. Noticed the evap purge sol. modulating at 20% while idling & I can't figure out why. Unplug it and fuel trims come ba...
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2003 Chevrolet Silverado 2500 HD 6.6L abs VIN: 1GCHK23143
Vehicle came in with ABS light on. Checked codes and found code C0040 RF speed sensor. Got in a hurry and replaced RF speed sensor. Test drove and ABS light came back on before getting out of shop. Tested wiring for shorts and opens back to EBCM. Could not fin...
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2005 Chevrolet Equinox LT 3.4L Starting VIN: 2CNDL73F65
what is the pass lock relearn procedure
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2003 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on VIN: 1GTHK23141
checked all wiring all ok,checked with vacuum pump&values change but keeps setting mil Trouble codes: P0108
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2004 GMC Winnebago 7.4L No Start, Cuts out VIN: 5B4MP67G44
Serice engine light came on at 65mph at high altitude , high [...], 85 octane gas, Pulling upgrade hill stopped and would not start, the check engine light went off and it started, happen a few times ,twice the fuel tank goes to empty and seat belt flashes... Trouble codes: U0107 (Lost Comm.W/Throttle Actuator)
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2004 GMC Envoy SLT 4.2L vibration VIN: 1GKDS13S24
installed a factory catalytic converter and created a vibration. you feel the vibration in converter
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1988 Oldsmobile Cutlass Ciera 2.8L No Start VIN: 2G3AJ51W5J
i think ive about covered everything on this one but still a no start. it acts like its not getting fuel, if u spray it with starting fluid it will start up for a quick second then dies. without spraying it, it will buck like it wants to start but wont. fuel p...
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2002 Oldsmobile Silhouette Premiere 3.4L Heated Seats VIN: 1GHDX13E12
Neither one of the heated seats work on this mini van. Both switch lights light up, the fuse is good and has power. there is a breaker in the IP Fuse panel labeled power heated seats, but the wiring diagram does not show a breaker. Mitchell's test proceedure s...
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1999 Pontiac Grand Am SE 3.4L Excessive Emissions VIN: 1GCCS1442T
i got 2 99 pontiac 3.4 would like to know what you guys think pids should be to me seems both are little rich but will post and you guys tell me car #1 cal load 7.6, front o2 0 stft,ltft-18,rear 02 around 0 car #2 cal 2.3,front 02 0 stft,ltft - 24, rear 02 aro...
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2002 Saturn Vue 3.0L Hub & Bearing VIN: 56GZCZ63B9
Trying to remove Hub & bearing assembly so it can be replaced. This is AWD with 4 wh ABS. Have Broken a forcing screw to remove axle. Tried penetrating oil and heat ( heat gun, not torch). Axle rusted in hub and will not move. bearing assembly rusted in spindl...
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Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick LeSabre Limited 3.8L blower
Thanks for all of the help...I got this fixed.. I went back and re checked all of my power and grounds..Had 12 volts on red wire...all the time with the motor hooked up or un hooked...Had between 2 and 8 volts on the gray blower speed wire..Had a good ground.....
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1996 Buick Riviera 3.8L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G4GD2213T
found broke signal wire at bulk head connector white wire broke at plug do to the tight bend in plug and had been previously repaired and broke again. found info in iatn database .thank you for all you help,carpenters garage says thank you for all the help. Trouble codes: P0102 (Mass air flow circuit low).
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1998 Chevrolet Astro LS 4.3L Poor Idle Quality, Hesitation, Misfire VIN: 1GBDM19W1V
well the beast finally left today.. per your suggestions we a) pulled valvecovers and checked for broken springs..(none) b) rechecked egr valve and replaced gasket w/ updated gasket w/ screen c) ohmed out injectors and reattached to fuel lines to inspect flow.... Trouble codes: P0300.
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1999 Chevrolet Silverado 2500 LT 6.0L Hesitation VIN: 1GCGK29U4X
I missed it the first time but the MAF was faulty (tried cleaning it as well), would only read 98 g/sec at full load pulling a hill in 3rd. Thanks for all the input, I quickly eliminated fuel delivery as and issue due to scope testing and pressure testing pum...
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2006 Chevrolet Equinox LT 3.4L Crash Sensor VIN: 2CNDL73F26
Sorry, I thought I already closed this help request. The customer wanted to take the vehicle to the dealership where she bought it saying that she had bought an extended warranty. I told her the crash sensor had to be replaced. Since it was $455 she wanted to ...
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2000 Oldsmobile Alero GLS 3.4L MIL Lamp on VIN: 1G3NL12E7Y
Yes the filler pipe did finally show a leak at neck where plastic and steel laminate. Additionally, vent valve that has worked perfectly all along stop closing suddenly on final test!!! This thing is really trying to make an A#& out of me. Cleared code and ... Trouble codes: P0440 (EVAP system malfunction).
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2002 Pontiac Firebird Trans Am 5.7L MIL Lamp on VIN: 2G2FV22G52
Thank you all for your thoughts and ideas,after dropping fuel tank again ,found canister was logged so replaced canister witch brought the long trem reading down to about +17 ,tryed resetting fuel trim but was unable with my scanners ( verus,modus,auto enginui... Trouble codes: P0171, P0174.
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