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Prev Professional Automotive Repair Technical Discussions for September 19, 2004
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1993 Chevrolet Cavalier RS 2.2L Master Cylinder VIN: 1G1JC5446P
My lead tech is replacing the brake master cylinder on an early-design semi-mechanical ABS designed system. This is due to a fading/receding pedal. The brake system can not develop proper pressure levels. We confirmed the problem by testing physical pressure a...
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1999 Chevrolet Tahoe LS 6.5L a/c compressor VIN: 1GNEK13R7X
THIS VEHICLE CAME IN WITH THE A/C NOT WORKING. I FOUND THAT THE SYSTEM WAS JUST ABOUT EMPTY. AT THIS TIME I PULLED A VACUUM ON THE SYSTEM AND IT HELD 30 INCH LBS FOR AT LEAST 10 TO 15 MIN. THEN I RECHARGED SYSTEM AND ADDED DYE. AT THIS TIME I RUN VEHICLE AND C...
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1998 Oldsmobile Aurora 4.0L Stall VIN: 1G3CR6ZCXW
Vehicle was brought in for a rough idle. Found random ign wire arcing. Replaced wires and plugs. Prob solved. Cust returns with a stall at idle complaint. I could only duplicate this one time. Engine just shuts down. No rough idle. It will restart with no trou...
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Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet Corvette 5.7L Poor Idle Quality, Surge, Stall VIN: 171YY2187K
have seen customer twice since post we are planing on injector replacement which is in line with systom running great cold [with add.fuel being added by cold start inj.once warm c.s.inj.fuel is cut off leaning out system causing lean missfire i wish to thank a...
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2000 Chevrolet Cavalier Z24 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1G1JF12T8Y
The sensor on this vehicle is part #9350899, the # for the PCM reflash is #[...]. This car has a turbo charger installed. The customer provided me with an identical sensor, and the voltage was the same as the first one. About 2.5v KOEO. This allows a differ...
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