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Prev Professional Automotive Repair Technical Discussions for October 26, 2008
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1995 Cadillac Seville SLS 4.6L hard shifting VIN: 1G6KS52YXS
This used tranmission shifts thru all gears, but has a hard shift due presence of code (P0086 = undefined gear ratio). it will shift smoothly shortly after code cleared and turns hard soon again with code trigged // poo86 we checked resistance of input and o...
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1990 Chevrolet Astro 4.3L No Start, Cuts out, Stall VIN: 1GBDM15Z5L
Key in cranking position, engine cranks but no start. Fuel Pressure was checked and is within range, distributor was checked. Injectors are pulsing with a good flow of fuel to the Throttle body. Distributor's magnet is fine.
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2002 Chevrolet Malibu 3.1L ignition? VIN: 1G1ND52J52
customer had car driven over from dealer,she bought car used.elderly lady says car at times will not start.cranks ok but no start.she stated that while cranking gauges drop flat and dash gauge lights go out and car won't start.car might start on next ign.cycle...
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1997 Pontiac Trans Sport 3.4L MIL Lamp on VIN: 1GMDU06E7V
After getting her back and delivering her to the customer, he tells me that the next day the MIL came on and back she came. Makes sence as its a 2 trip failure (B). He said he looked at all the lines/hoses/connections ETC and replaced the canister purge valve ... Trouble codes: P1441 (evap system flow during non-purge)
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Fixes & Summaries for GM
Fix/Summary Answers
1991 Chevrolet Camaro RS 5.0L Excessive Emissions VIN: 8THDIGITSF
Thanks to all that replied. As it turns out the engine in this vehicle was a 5.7 out of a corvette, and that particular engine there is a TSB that states on the right side intake manifold gasket, there is a steel insert that must be installed on egr port of t...
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1996 Chevrolet Cavalier 2.2L want come on VIN: 1G1JC1248T
Thanks for all the help, owner lives next door so I'll know if it don't work, vehicle is not taken care of, had a 96 buick after that and fans came on at reasonable time.
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2002 Chevrolet Venture LS 3.4L Power Windows VIN: 1GNDX03E62
I would like to say "THANK YOU" to all who replied to this help request. What I had found was the problem with this vehicle was a voltage drop from the underhood power distribution center to the power window relay. The power window relay was located behind the...
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1996 GMC K1500 Sierra SL 5.7L Poor Idle Quality, Misfire VIN: 1GTEK14R2T
HELLO, I FOUND THE PROBLEM TO BE A VACUUM LEAK ON THE INSIDE OF THE INTAKE GASKET. REMOVING THE PCV VALVE AND PLUGGING THE HOLE AND THEN SPRAYING CARB CLEANER INTO THE OIL CAP HOLE RAISED THE IDLE. THANK YOU FOR ALL THE HELP, THE VEHICLE IS FIXED AND RUNNING W... Trouble codes: P0300.
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1991 Pontiac Grand Prix SE 3.1L Stall VIN: 1G2WJ14T1M
Thank you for all of the help with this vehicle. All of your suggestions proved helpfull. I was finally able to get the scan tool to communicate with this vehicle. I drove with the vehicle hooked up to both the scan tool and fuel pressure gauge per your sugges...
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