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Prev Professional Automotive Repair Technical Discussions for March 17, 2007
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Open Help Requests for GM
Help Request Answers
1994 Chevrolet S10 4.3L anti loc VIN: 1GCDT14Z7R
Hi Guys, interesting one here. 94 chevy s-10 4x4. Appears to have all the ABS components. System usually works fine until it gets wet. When starting out dry, system functions normal. After driving in wet conditions, and parking for a period of time. The first ...
1997 Chevrolet C3500 Cheyenne 6.5L engine VIN: 1GBKC34F8V
I recently bought (3 weeks ago) this c3500hd to use as my tow truck, had to retire my 88 c3500. I now have more than a week into it transferring the deck and necessary repairs in order to pass inspection.Last night my engine decided to go boom. I finally manag...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick Century Custom 3.1L park/delay posistion VIN: 2G4WS52MXV
A big thanks to all who replied,that 'trigger'peice on the park cam always did make contact with the tab everyone kept referring to,just not enough to make that click that it should. I lightly tapped it with a punch and hammer innward(small hammer)until a more...
1994 Cadillac DeVille 4.9L Control head VIN: 1G6KD52B8R
We found the control module mounted on the fire wall to have failed. There were some weak connections at the alternator- 3 10 ga. red wires that we repaired first the traced back to control moudle. We had correct input from comtrol head but no output from modu...
1999 Chevrolet Corvette 5.7L oil pres gauge VIN: 1G1YY22G0X
Thanks to all who replied...Yes, you have seen this before me and I appreciate your feedback. The third ops was installed, and it fixed the car, but for how long. I will take your advise when, I say when, because of doing this three times already, but I am goi...
2000 Chevrolet S10 4.3L Poor Fuel Economy, MIL Lamp on VIN: 1GCCT19WXY
After I replaced the pump, there were a few things that looked different between the new one and the one that was in there. So thought maybe this was the problem-- wrong pump. About 100 miles of driving, the light came on for about a day and then went off and ... Trouble codes: P0446, P0452, P0453.
2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on, Reduced Power Mode VIN: 11GNDT13SX
Well, we replaced the ignition switch and the vehicle has been fine since. The reason we changed the switch was because at one point when we tried to start the vehicle after it had sat overnight, it would not crank initially. If the key was held for a few seco... Trouble codes: P1512 (Throttle Control System - Backup System Performance), P1515 (Throttle Positions not within calibrated range).
1999 Geo prizm 1.8L daytime running lights VIN: 1Y1SK5284X
The only similar entry in the archives I found was for a Metro All three respondants & the archives posting suggest left kick panel blue ground connector.This problem was compounded to me by the that both pos and neg signals had been back fed into the system b...
2004 GMC Yukon XL 2500 SLE 6.0L Steering Angle Sensor VIN: IGKGK26U64
Circuit description: The Steering Position sensor(SPS) provides 3 digital signals imputs and 1 analod signal imput to the rear wheel steering control module(RSCM). The analog signal is the Steering Wheel position signal. This is a class 2 signal. The RSCM comp...
1992 Pontiac Bonneville SE 3.8L 4 th all the time VIN: 1G2HX53L4N
I going to have to close this without a fix. Customer picked up car to use and has not returned yet. I told her would need trans to fix problem and she said she could not afford to fix at the present. Thanks for all the help.
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