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Professional Automotive Repair Technical Discussions for July 22, 2005 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 No Start VIN: 1G4HP52L3R Car was towed in w/ a no start problem. Check for spark and injector pulse and there was neither. Replaced the ignition module and the car started and ran for about 30 seconds then died with the same symptoms. Replaced the crank sensor, no change. Checked the ... |
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| 1996 Chevrolet K1500 Suburban 5.7L No Start VIN: 3GNFK16R5T ok this is my wifes truck it sat for 4 days on the fourth day i tried to start . crank speed normal no start pulled a plug it was fuel fouled replaces all the plugs hit the key and it fired right up it did great for a week then the same thing happened this tim... |
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| 2000 Chevrolet Tracker 2.0L No Start, Stall VIN: 2CNBE1BC7Y Have Intermitton no spark condition.After heat up. Will stall. Sometimes 15 minutes or 40 miniutes.Will crank but will not start. Will restart after a few minutes cooling time. I can use some help. I have ideas but,have had problems justifying repairs.Primaril... |
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| 2001 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNDT13W01 I don't know what's making it run so rich; vehicle sets codes P0172 & P0175 (rich banks 1&2). When codes and fuel-trim are reset, it only takes 15-30 seconds before fuel trim is -13%. O2 sensors are sweeping OK even as fuel trim is dropping. Air intake system ... Trouble codes: P0172 (Fuel trim system rich-bank 1), P0175 (Fuel trim system rich-bank 2) |
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| 2001 Chevrolet Silverado 2500 HD 8.1L MIL Lamp on VIN: 1GCHK23G81 Hello to all again, this truck is giving me the fits. Small evap leak code stored, fuel trim short term and long term were normal in freeze data leading me to believe purge valve is ok. First checked FTP voltage with gas cap off-1.43 KOEO(a little low,specs. s... Trouble codes: P0442 |
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| 2002 Chevrolet Silverado 1500 4.3L MIL Lamp on VIN: 1GCEC14W62 hi guys thanks ahead of time, what i have is code po420 comes on after truck is driven ten miles evert time, started after it came in with hard start when wet, so we tune it up with new wires, cap, rotor, coil, check all four 02 sensor they are switching good,... Trouble codes: P0420 |
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| 1994 Geo Metro 1.0L No Start VIN: 2C1MR2468R vehicle dies and does not restart after hot (hour) has good spark but loses injector pulse, after flow chart test replaced ecm, with used (new being more than car is worth). same problem. found simular problem in IATN fix data that talked about replacement for... |
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| 2002 GMC Envoy SLE 4.2L Hesitation, MIL Lamp on VIN: 1GKDT13S82 the customer says the cruise will intermittently not work and truck has a slight hesitation at take off, she complained that at a stop sign it acted like it wanted to take off by itself(sounded like it tried to give itself some gas and she had to hold onto the... Trouble codes: P0340, P1523, B1440, B2961, P0171 |
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| 2002 Oldsmobile Alero GL 2.2L temp gauge VIN: 1G3NL52FX2 hi, everyone! have an 02 olds alero here that the all dash waring lights come on while driving and the temp gauge will go to full hot and then with in a couple of seconds will go back to normal, tach also jumps. the only thing i find abnormal was battery cable... |
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| 1989 Pontiac Grand Prix SE 2.8L Cuts out VIN: 1G2WP14W4K Hello there, fellow IATN mechanics. This is relating to my own personal car, so I would love to hear from those Pontiac W-body specialists out there (and any one else with experience with this one) What I am having is a problem every now and then with the vehi... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet Camaro Z28 5.7L Poor Idle Quality, Surge VIN: 2G1FP22PXR Hi everyone. Sorry for the late reply but i was waiting for the customer to call me back to see if the guys at the dealer found the problem. I got a call yesterday, basicly they gave up on it. They told him they would need to replace some parts and see if that... |
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| 1999 Chevrolet Blazer 4.3L Hesitation, Surge, Cuts out Sorry to report have not fixed this vehicle. Thank You ALL for your replies. I tried and tested most of what everyone sent. Except what I had already done. I hate to say it, but it looks like it is going to the dealer and try flashing the PCM. Hope it helps. T... |
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| 2001 Chevrolet Impala 3.8L Flexplate VIN: 2G1WF55K01 As most everyone stated we firmly beleive this to have been a runout issue with either the crank or convertor. After taking several measurments, at several different points, and having the convertor rebuilt, we made a shim to fit between the convertor and flex... |
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| 1993 Oldsmobile Silhouette 3.8L hi. idle VIN: 1GHDU06L3P waiting for van to return,most reply's said to check tps witch i will if van returns. i will post a fix if i have one. thanks for your help.dusty; |
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| 1998 Pontiac Grand Am SE 2.4L instrument cluster VIN: 1G2NE52T1W Let customer take car while getting information and a few days later, car came back and was hard to start intermitatntly. recall in igntion was not done. Took car to dealer for recall for igntion relay. Preformed recall and it would not stay running for them (... |
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| 1998 Pontiac Bonneville SE 3.8L upper plenum VIN: 1G2HX52K7W Thanks especially to Knick [...] who posted the link for the tech disc forum that I was unable to find yesterday. The problem is the EGR tube being a tight fit on the upper plenum and the 99 and newer 3.8 have a smaller tube and GM also has a updated l... |
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