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Professional Automotive Repair Technical Discussions for January 5, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick LeSabre Custom 3.8L unknone VIN: 1G4HP52LOR towed in with no move in drive or over drive. low and second and reverce good. |
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| 2001 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP54K41 got the in laws car here again. got a code p1404 egr positon failure. as stated above the egr moves when tested with the scan tool and i removed it an inspected it and found nothing visually worng with it. the problem im seeing i s that at an idle the egr posi... Trouble codes: P1404 (egr position failure) |
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| 1996 Chevrolet C3500 Cheyenne 7.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1GBKC34J8T New Years day we got 8 inches of snow and I got called into work for snow removal. I usually stay in the garage and do Mechanic work keeping all the plow trucks going but with 18 plow trucks and 10 people, they sent me out plowing streets. I was assigned this ... |
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| 1998 Chevrolet Lumina 3.1L brake lights VIN: 2G1WL52MXW The tail light brake lights are a total inop. The third brake light works so this tells me that the switch is ok. I have read alot about the multifunction switch but the turn and running lights are all working correctly yes even the hazards. Any help would be ... |
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| 1991 GMC Sonoma Syclone 4.3L spark knock VIN: 0152461943 Not sure if I am expecting too much from this truck or not, reading alot of reports about spark knock being normal in these trucks. This truck has heavy spark knock under WOT conditions. Truck came to me with antifreeze in oil, removed cylinder heads found h... |
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| 1995 GMC K2500 Sierra SL 6.5L glow plugs VIN: 1QTGK24F85 Work at Ford dealer and this was takenin in trade . Will not start and no glow plugs . Battarys are new and starter turns over good . Was lookin for wiring diagram of starting and glow plug circuits. thank you for your help. The fax # is [...] gerald b... |
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| 2000 Pontiac Grand Am SE 3.4L hydrolic unit, modual abs hydrolic unit will intermittently click continuosly (about every 2 seconds) without the brakes applied and the engine running (does not matter whether sitting still or vehicle moving) intermittent abs and red brake light illuminated when vehicle is moving,... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Cadillac Catera 3.0L Poor Idle Quality, Hesitation, Surge, Stall, Misfire VIN: W06VR52R3X well the car is done , replace mass air flow with a new gm . the one from the zone was bad, thanks to everone Danny R. [...] |
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| 2001 Chevrolet Silverado 1500 4.3L Passlock System VIN: 1GCEC14W71 Thanks once again to all. I changed the lock cylinder and the housing (which includes the passlock sensor). I also believe I had a bad connection at the the batt. voltage wire at the connector. As suggested ,I cleared codes first and then proceeded with the re... |
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| 2003 Chevrolet Silverado 1500 HD LS 6.0L Accessories VIN: 1GCGK13U53 thanks for all of the replies. although the blower resistor and connector were not burnt or melted I took a gamble and replaced it anyway. this fixed the problem and motor is now working fine. |
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| 1998 GMC Jimmy Envoy 4.3L MIL Lamp on VIN: 1GKDT13W6W Thanks to all who helped...As suggested, ck'ed wiring down at sensor, was all oil soaked, so cut back and installed pigtail conn. No change. Also viewed signals on scope, not expert on this, but no obvious issue w/waveforms. Ck'ed cam retard offset on scanner ... Trouble codes: P0300. |
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| 2001 Pontiac Montana 3.4L Poor Idle Quality VIN: 1GMDXO3E51 I have been unable to get customer to return vehicle due to an overloaded schedule. The problem is so intermittent that they are living with the problem until they have time to reschedule |
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