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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 19, 2004
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Open Help Requests for GM
Help Request Answers
1989 Chevrolet Celebrity 2.5L Stall VIN: 1G1AW51R4K
This vehicle will stall at idle or decel, hot or cold. It could happen once or multiple times.Vehicle will restart immediatly. O2 is swiching. Minimum airflow was checked. Min TPS voltage is .48v. In gear IAC motor is at 30. Oil pressure is 30lbs. We bypassed ...
2004 Chevrolet Trailblazer LS 4.2L Radio VIN: 1GNDT13S54
Hello everyone, I have this Trailblazer that interminently has no radio volume. It is a Bose Radio with external amp. When the problem is active there is no volume but everything appears to be working with the radio. If you press the onstar button the display ...

Fixes & Summaries for GM
Fix/Summary Answers
1984 Chevrolet Caprice 5.0L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on
Hello all, I have not yet fixed this vehicle yet. The most likely problem all of you said was a bad ECM. I still want to check the powers and grounds before I condem It though.It runs very good with the M/C solenoid unhooked but a little on the rich side obvio...
1998 GMC Jimmy Envoy 4.3L HID headlamps
Soooo sorry for taking so long to close this post. After getting the truck fixed, I honestly forgot all about it. Thankyou to those who took the time to reply. We received a variety of helpful tips from diagnostic help to sources for used and new parts, afterm...
1986 Oldsmobile Calais 3.0L No Start VIN: 1G3NF27L2G
Hi, The problem car has had lots more test ran and still a jno start. We confermed that the firing order was corect, but as it was a type 1 coil we subed a none good coil pack and no change. un pluged the MAF, no change, got the GM CPS tool and set it, no chan...
2001 Oldsmobile Aurora 3.5L Cuts out, MIL Lamp on VIN: 1G3GR64H21
Hey guys, thanks for the replies. Most was leaning toward a bad alternator - excessive a/c voltage, etc. I did notice at times it seemed to be over-charging a bit, but not real excessive. Like 15 volts battery and 14.6 ignition volts according to the pcm. I do... Trouble codes: P0410.
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