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Prev Professional Automotive Repair Technical Discussions for October 8, 2005
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Open Help Requests for GM
Help Request Answers
1994 Cadillac DeVille Concours 4.6L IPC oil alert VIN: 1G6KF52Y6R
shut eng off displays on ipc-low oil pressure. does not happen all the time. usually when the wife is driving the car. simple ground circuit thru oil pressure switch to ground from ipc. thought someone out there has seen same concern.
1997 Chevrolet C3500 Cheyenne 7.4L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1GBKC34J4V
Truck came in with 3 leaking injectors and 80 lbs fuel pressure. Replaced injectors and pressure regulator with AC Delco parts. Had no injector leakage but still 80 psi with or without vacuum to regulator. Replaced regulator with Standard Ignition brand and no...
1989 Pontiac Firebird Formula 5.7L rear disc system VIN: 1G2FS2180K
Greetings: This vehicle was brought in for failing Mass. state safety inspection for inefficient rear disc brakes & inefficient parking brake system. Has PBR single piston rear brake calipers. Even with new rear pads, the park brake will not hold the vehicle ...
2001 Pontiac Bonneville SE 3.8L idle, dying out VIN: 1G2HX54K91
car starts up fine, at cold idle, rpm is about 1000-1100, whaen off cold idle, car rpm is anywhere from 500-850rpm's, after car is at temperaure, occasionally dies out, you have to brake torque car at stop light to keep running.

Fixes & Summaries for GM
Fix/Summary Answers
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