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Prev Professional Automotive Repair Technical Discussions for March 6, 2015
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1986 Chevrolet C20 Silverado 5.7L MIL Lamp on
This is my neighbors truck Check engine light would come on from time to time, now its on solid. Emission testing coming up, so it has to be addressed. NO ALDL port, NO feed back carb, NO 02 sensor. What data is ECM monitoring? Air pump? Vac advance? Perhaps t...
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2005 Chevrolet Impala 3.8L Misfire VIN: 2G1WF55K55
Geting no spark from coil pack #2 and #5.both on same coil pack.did some testing and found there is no swicthing sinal for that coil from ignition module.had module tested and showed module was good. Even tried swicthing it with another one and same problem.sc...
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2006 Chevrolet Silverado 3500 WT 6.0L Ignition VIN: 1GBJC34U86
Customer brought us truck for truck starting in Run position on key switch not crank. Also once started we can get the truck to shutdown unless we pull pcm fuse then it will shutdown. The ignition switch was replaced and still has the same problem. I even unpl...
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2007 Chevrolet Express 3500 6.6L MIL Lamp on VIN: 1GBJG316X7
Thanks in advanced for taking your time to read this. this truck will set the P0101 code soon after start up. COLD idle ECT 62 degrees F,Maf 43.67 g\s,4359 Hz. Warmed up ECT 169f, Maf 30.05 g\s 3795 Hz. Maf g\s with EGR commanded 40% 15 g\s. I am leaning towar... Trouble codes: P0101
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2006 Pontiac Vibe 1.8L Brake Warning indicator VIN: 5Y2SL65846
Had this vehicle here for 3 weeks. Customer failed VA safety inspection because brake warning light doesn't come on as a bulb check in the KOEO position. Also brake warning light will not light with parking brake applied. I've tested power and ground circuits ...
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2007 Pontiac G6 GT 3.5L convertable VIN: 1G2ZH36N37
The convertible top is stuck in the almost down position, top is stowed in trunk but the trunk lid doesn't close to complete the process. Top won't go up or down & doesn't try to move. Sets b1010 after I try to operate the top. Cycling the key & doing a batter...
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Fixes & Summaries for GM
Fix/Summary Answers
2000 Buick LeSabre Custom 3.8L blower motor VIN: 1G4HP54K6Y
ok guys thank for the help i am calling this one confirmed the orange wire that runs from the back seat fuse box to the blower control module just under the rear passenger door was half broken and corroded repaired wire and now works fine thanks for the help...
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2006 Cadillac DTS 4.6L park assist sensor VIN: 1G6KD57YX6
moved sensors to other side of bumper and codes followed, replaced sensors and that took care of it.
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2003 Chevrolet Cavalier LS 2.2L No Start VIN: 1G1JF52F13
Found intermittent problem with ignition switch, before diagnostics were complete, the car jumped time, and the customer declined to follow through with repairs.. Thanks everyone for your info and assistance.
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2005 Chevrolet Suburban 1500 Z71 5.3L Electronic VIN: 3GNFK16Z05
Truck is fixed. I was able to use my Tech 2 using the remote programming feature. The reason I couldn't use it the other day was because computers today do not have a serial port. I do have an adapter that converts a USB port to a serial port. However, it need...
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1999 Pontiac Grand Prix SE 3.8L No Start VIN: 1G2WJ52K2X
It wound up needing a computer. I appreciate all your help. Clifford you were right I missed that one but I checked it and I had battery voltage. Timothy [...] checked pin 2 as well and it did have the 7 volts. Wayne and John you guys were pretty much on. Thank yo...
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