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Professional Automotive Repair Technical Discussions for June 8, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick Park Avenue 3.8L No Start VIN: 1G4CW52L9R hi all..this car came in on the hook, had a no start has spark and no injection pulse,lab scoped square waves from cam and crank sensor at rear of pcm ,,, both good, fuel enable 5 volt square wave, 50% duty cycle from fuel enable security module is also good, ... |
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| 1995 Buick LeSabre Custom 3.8L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1G4HP52L5S customer said car runs bad and check engine light comes on some times. we checked codes found code p1361 in history but nothing current.we test drove car several times found code would reset intermittenly. we went through self diagnostics chart found ic circui... Trouble codes: 1361 (ign control circuit) |
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| 1980 Cadillac Seville 6.0L Poor Fuel Economy VIN: 6S699AE705 Does anyone have the info about adjusting the ignition timing of a 6.0L 368 Seville from 1980. My Shopkey info has no info on Cadillac before 1983. I probably have to pull a connector and use a strobe. But I need to know which connector and what timing mark I ... |
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| 1997 Chevrolet K1500 Suburban LS 5.7L PS Pump, box VIN: 1GNFK16R1V Replaced the PS pump, bled the system and all was OK until the customer left. His PS assist was erratic. Noticed some bubbles and determined that the EVO switch was leaking, tried to seal it up with new O-rings but they are square cut and kept tearing. Tried t... |
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| 2000 Chevrolet Blazer LS 4.3L transfer case VIN: 1GNDT13WOY 4wd switch will not switch,all lights come on at start-2 hi on now,press any button & no responses(no flashing, no engagement),ran check with scanner & can control all gears & lights(2 hi, 4 hi, 4 lo & neutral). replaced switch w/aftermarket & new gm switches ... |
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| 2002 Chevrolet Tahoe LS 5.3L transfer case VIN: 1GNEK13Z22 i was getting a racheting noise from the transfer case area last summer and now that the weather is warming up again the noise is back. it was not there all winter long. the noise is there in 2wd when i first take off and goes away shorty. if i let off the gas... |
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| 1986 Oldsmobile 98 Regency 3.8L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1G3CW69BOG Sorry in advance for the long message, but this is not as long as I have been involved with it. As stated vehicle has been to 2 shops, at least! Great start! First shop diagnosed bad timing chain and replaced it. I have always seen the "B" engine bend valves, ... Trouble codes: 44 (lean exhaust), 42 (est or bypass error) |
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| 1995 Oldsmobile 88 Royale 3.8L Surge, Cuts out, Stall, MIL Lamp on VIN: 1G3HN52K2S Hi everyone. Looking for a little guidance on what seemed to be a cut and dry repair. Customer had problem with car dieing at stops but always restarting fine. Checked for codes got a p0101 mass air flow sensor fault. I did the All-Data test for mass air flow.... Trouble codes: P0101 (mass air flow sensor) |
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| 1999 Pontiac Bonneville SE 3.8L Stall VIN: 1G2HX52K9X customer states dies when coming to a stop, brought in first time about 3 weeks ago. There have been no codes and has never died on any of the techs or myself. customer brings vehical in about 3-4 times a week with this problem. when it dies it will start up q... |
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| 2001 Saturn L300 3.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1G8JW52R31 hello friends. this saturn has an intermittent stall or dies out. this happens without warning. it can happen under acceleration, in cruise or at idle. the thing that puzzles me is all the codes, espically the ones i cant find a description for. the customer i... Trouble codes: P0335, P0621, P2903, P1780, P08DB, P0917 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1987 Buick Regal GNX 3.8L Surge, Cuts out VIN: 1G4GJ1172H hi folks sorry to be so long to close this post but the car i fixed,i was waiting for the parts from GM.chris from colorado hit the nail on the head it was the vacuum harness going to the waste gate was the problem.if you do not use the factory gm harness the ... |
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| 2002 Buick Rendezvous CX 3.4L Accessories VIN: 3G5DB03E22 This one is put to bed! The rear hatch door lock caused this whole problem. I found out that the lock would malfunction repeatidly when actuated with the key fob and when the hatch was in the closed position. When I actuated the lock when the rear hatch dor wa... |
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| 1990 Chevrolet Lumina 3.1L Poor Idle Quality, Sounds retarded VIN: 2G1WL54T2L The 2,4,6 bank of injectors was not working I found the fuse for that bank blown leading me to remove the upper intake. Rodents made their way into the wiring and chewed through some insulation. After repairing the wiring and replacing the fuse the car would n... |
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| 1995 Chevrolet S10 4.3L Hesitation, Misfire VIN: 1GCC19W3SK hello fellow tech's. This truck has pulled us through the ringer, we recieved 11 replies to this request and have tried everything that was mentioned in those requests. We even pulled the timing cover and checked the chain and gears which we 100% ok. we pulled... Trouble codes: P0341. |
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| 1999 Chevrolet Blazer 4.3L fuel guage VIN: 1GNDT13W1X thanks guys for the help! what i found was that the connector at the pump/ sender had a poor connection! i purchased the connector at the dealer and that took care of the problem! i spliced it in and re tested.all is well now! thanks again for the help! |
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| 2002 Oldsmobile Bravada 4.2L rear differetial VIN: 1GHDT13S62 we replaced the transfer case fluid and almost imediately the symptoms disappeared,i'm not sure about the ticking yet since it comes and goes he will get back to about that,but so happy that we had solved that other issue either way i think we've gained a life... |
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| 2002 Oldsmobile Intrigue GL 3.5L Alignment VIN: 1G3WS52H62 I am sorry I can't close this with a fix. The customer has yet to return the vehicle. I have installed a new alignment rack. I still think something is bent all though I do like the idea of possibly a bad castor swing. If it comes in again I will let you guys ... |
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| 1989 Pontiac Firebird 5.0L drive line VIN: 1G2FS21E2K I want to thank you all for your suggestions. In the end it was tires even tho the others looked good adn when run on a spin balancer they checked out but it was the problem, i replaced the tires and all is fine |
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| 2001 Pontiac Sunfire SE 2.2L Poor Idle Quality VIN: 3G2JB12441 Thanks to all who replied. I still have not had the vehicle back here since the reflash, so I could not double check the Engine Mounts / EGR system & the T/B. |
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