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Prev Professional Automotive Repair Technical Discussions for December 5, 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
1999 Buick Regal GS 3.8L No Start VIN: 2G4WF5214X
This car apparently died while it was driving down the road. It cranks fine but will not start. We have good spark, and good fuel pressure, but no injector pulse from PCM. When first attempting to start after the car has been sitting for a while, the injector...
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2005 Cadillac CTS 3.6L Brake assyst VIN: 1G6DP56775
Just reprogrammed pcm climate control & abs control modules.Everything ok except TC light in instrument cluster is now on.Scan ABS/BRAKE ASSIST and found code C0278.Looked up code and said to recalibrate brake pedal position sensor.Cannot find info on how to c...
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2003 GMC Yukon Denali 6.0L Misfire, MIL Lamp on VIN: 1GKEK63UX3
Good morning, I have a 03 Yukon Denali 6.0L. The issue is a P0300 misfire severe enough that the MIL will flash. This truck is my Mothers vehicle. This situation happened a couple months ago. No problem was found at that time. It is intermittent. Currently not... Trouble codes: P0300 (Random Cylinder Misfire)
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Pontiac Grand Am SE 2.3L Fuel Pump, Ignition Coils, Injectors, Console Indi VIN: 1G2NES5DXS
Thank you to everyone who offered help. Robert had the right idea with the grounds. After stepping away from the vehicle for a short time, I came to realize that unplugging the fuel pump relay, would put less demand on the ground circuit and the car would retu...
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2003 Saturn L300 3.0L Stall, MIL Lamp on VIN: 1G8JW54RO3
thanks for all of your replys. i replaced the crank sensor. costomer has driven for about a month. he stopped in the other day said has not acted up. i think we are golden. thanks again. Trouble codes: P2903, P0727 (no engine speed input from ecm).
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