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Prev Professional Automotive Repair Technical Discussions for June 28, 2009
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF52E61
This is a new customer in for a inspection, The mil light was on. I scanned the car and it was PO420. The cat efficency. The customer stated that the light had been on for about 6 months. He said another shop had replaced the intake manifold gasket and radiato... Trouble codes: P0420
1997 Oldsmobile Aurora 4.0L Hesitation
The car has a loss of power in drive about 2500 rpm lite throttle. If you punch it, it will go but lacks some power. A friend of mine has this car at his shop. I only had a snap on brick to check scan data. LT fuel trims b1 -6 b2 -10 at idle, b1 3 b2 4 at crui...

Fixes & Summaries for GM
Fix/Summary Answers
2001 Cadillac DeVille DTS 4.6L radio will not turn on VIN: 1G6KF57961
The tech working on the Cad disconnected the battery and reset/tightened the 3 8mm bolts that connect the fuse box to the harness, This was done to the front and rear fuse boxes... radio came back to life. Thanks for the suggestions, Mike
1996 Chevrolet K2500 5.7L Hesitation VIN: 1GTGK24R8T
This truck has been gone through 3 fuel pumps in the past year. Have not repaced the fuel pumps myself. They were replaced by customer. Removed new fuel filter to checked for restriction. Fuel filter was plugging up. When I asked customer if he had the tank cl...
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