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Prev Professional Automotive Repair Technical Discussions for September 4, 2006
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1998 Buick LeSabre Custom 3.8L Poor Idle Quality VIN: 1G4HP52K4W
Hi, this car has a high idle. Previously at another shop, upper intake was replaced due to over heating and white smoke coming from tailpipe. Customer comes to us two days later for a high idle. After checking codes all it showed was a cyl 1 misfire. Check for... Trouble codes: P0300 (Random Cylinder misfire)
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2002 Chevrolet Silverado 3500 6.6L No Start, Stall VIN: 1GCJK33162
we have a 2002 chevy 3500 with the duramax which came in on the hook. engine lost power and died while pulling a load at highway speed. first scan check showed dtc p0087 (rail pressure low) but dtc didn't come back. customer replaced fuel filter on the road ri... Trouble codes: 0087 (fuel rail pressure low while high pressure commanded)
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Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick Park Avenue 3.8L trunk\liftgate pulldown VIN: 1G4CW53L8N
thanks to all that replied! it wond up being a bad motor.the switch tested ok but the motor was bad. replaced the motor and all was good.. thanks everyone!!
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1991 Chevrolet G20 Chevy Van 5.7L No Start VIN: 1GBEG25K9M
Greetings fellow technicians. I first want to thank the 9 techs who gave me their time with this issue. This turned out to be the basic 'find the broken wire in the harness' fix. As I stated in my original help request, the power and grounds to the ECM were go...
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2003 Chevrolet C4500 Kodiak C4C042 6.6L Misfire VIN: 1GBC4E1163
Hey, I only got one reply pertaining to this problem. They said that injectors are usually the only problems with Duramax's. The dealer that we took it to said that the fuel was 'chemically contaminated' and mysteriously eating up the injectors. The only proof...
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1998 Saturn SL2 1.9L I/P fuse panel VIN: 1G82K527XW
I will start with 'Thank You!' to everyone who replied, and special Thanks to Ernest and Chris, who both faxed critical wiring diagrams. As to the FIX, the I/P fuse panel had been badly burnt at the F-5 B+ input terminal causing a 'crank but no start' condit...
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