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Prev Professional Automotive Repair Technical Discussions for May 26, 2013
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Open Help Requests for GM
Help Request Answers
1995 GMC K3500 Sierra SL 6.5L MIL Lamp on VIN: 1GTHK39F4S
This 6.5 came with stalling problem and codes 35-36. Taked primer pump pressure 5 psi cruise and 3 psi WOT ok. Put a 4 traces scope on the signal circuit from ecm (984) at IDM (fuel solenoid driver), inj signal from IDM (985) at ecm, 12V at idm (339), and IDM ... Trouble codes: 36 (injection pulse width error response time long)
2003 Saturn Vue 2.2L bcm VIN: 5GZCZ43DX3
hello fellow techs i have this saturn in the shop to replace the body control module i got one from ac delco i have a the snapon passthru pro2 and a subscription from gm after running the program the car wont start the security light was off i do have acess to...
2006 Saturn Ion-2 2.2L Compressor VIN: 1G8AJ58F86
Good morning. Ended up with this 06 Saturn Ion with A/C not working and engine getting hot. Cooling fan and A/C clutch inop. ECT tested withing spec. Checked for 12v power at relay for cooling fan and A/C clutch and is present. Tried jumping relay between term...

Fixes & Summaries for GM
Fix/Summary Answers
1987 Buick Electra Park Avenue 3.8L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy VIN: 1G4CW5134H
Sometimes its hard to spot the basics..Broken/damaged spark plug fixed this car. I learned that even though voltage didnt change on MAF doesnt mean it is broke...Frequency square wave was on Vantage prooved ok. Thanks all
1997 Cadillac DeVille Concours 4.6L MIL Lamp on VIN: 1G6KF5292V
Thanks for all the help from everyone, Alex got me in the right area, removed the front passenger seat and rear seat, pulled the carpet up on passenger side and found over a gallon of anti-freeze in one of the floor pan depressions, (must have had a bad heater...
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