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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 12, 2009
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Open Help Requests for GM
Help Request Answers
1995 Chevrolet Astro CL 4.3L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1GNDM19W9S
van has bad idle at all times. when it gets hot it will stall,changed Ignition mod, but that did not help. followed flow chart for the symptoms,ever thing tested good. took off upper intake to look at spider injector and watch spray pattern it seem fine. Have ...
1997 Chevrolet Lumina 3.1L Hesitation, Misfire, MIL Lamp on VIN: 2G1WL52M3V
This is the Lumina car. Since the head gasket and intake gasket job the engine has a SLIGHT misfire under a slight load and during decel. Customer first felt misfire in the 50 to 55 mph range under slight load. But I've been able to duplicate it at very slow s... Trouble codes: P0300 (multiple misfires), P1406 (EGR Pintle Position Circuit Problem)
2003 Chevrolet Suburban 1500 LS 5.3L Radio VIN: 3GNFK16Z93
The radio has a high pitched buzzing noise that gets louder with higher RPM's. Sounds like ignition interference but plugs & wires were already replaced. Alternator made no difference. Can we put a filter inline to stop the noise? I know these GM radio's have ...
2003 Pontiac Montana 3.4L Stall VIN: 1GMDX13E63
hi techs this one has me stumped maybe you can steer me in the right direction. this van has stalling problem that seems to be time or temp. related . when this van gets to about 200 degrees or so when comming to a stop it will stall out doesn't do it all the ... Trouble codes: P0101 (M.A.F.sensor range/ performance problem)

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Tahoe LS 5.3L No Start VIN: 1GNEC13T55
almost all replies stated programming or anti-theft issue. I have a tech 2 and tis went all through that before posting I failed to mention this in my post. I left working the u1000 code and worked on getting engine started. My idea was once engine was running... Trouble codes: U1000.
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