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Professional Automotive Repair Technical Discussions for August 8, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Chevrolet Astro 4.3L Wipers and Cruise Control VIN: 1GNDM19W9T I am working this van for 2 complaints. The customer states that the windshield wipers will not work sometimes. Also the cruise control will sometimes stop working. I have verified wiper motor operation and it has all speeds. I removed the wiper board to inspe... |
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| 1996 Chevrolet Lumina 3.1L Hesitation, Misfire VIN: 2G1WL52M9T Hello, this car was in about 3 months ago for a plugged catalytic converter, I replaced it and the car ran fine for a while. Now it's back with a severe misfire that seems to start pretty consistently at about 3K RPM, reguardless of engine load, and the cataly... |
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| 1998 Chevrolet Corvette 5.7L drivers side blend door VIN: 1G1YY22G6W i have a 1998 corvette with dual control auto a/c.the control head lights very dimly. we replaced it with a used one, and the display worked correctly, but it would not control the drivers side correctly.we performed the relearn in the gm bulletin no change.th... |
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| 1999 Chevrolet Malibu 2.4L battery draw VIN: 1G1ND52T8X We caught the coolant fans staying on while inspecting the car to go to college. Can't get a hold of customer to see if this is a on going problem, but it has a newer battery in it (which tests good with the rest of the charging system).Fan relays are being co... |
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| 2002 Chevrolet Malibu LS 3.1L No Start, Stall VIN: 1G1NE52J62 3 months ago replaced passlock sensor and cylinder for no start and security light on. came back with start/stall, found codes p1626 and u1016, replaced passlock and cylinder again, relearned system, thought was all better, back again with same problem, same c... Trouble codes: P1626 (anti-theft system fuel enable circut), U1016 (lost comm with ecm/pcm/vcm) |
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| 2002 Chevrolet Venture LS 3.4L Cuts out, cuts out at 3200 rpm VIN: 1GNDX03E92 engine runs great up to 3200 rpm then falls out like a rev limiter kicks in. everything looks good on the scanner but my spark voltage spikes up and down when i hit 3200 rpm. that pretty much tells me it is ignition related but where. i am suspicious of the ig... |
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| 2004 Chevrolet Silverado 1500 4.3L Cuts out, Stall VIN: 1GCFC19XO4 This Truck came in with an intermitant Stall, from which i could find no pattern of failure to diagnose the prob.I was able to duplicate only 1 time before deciding to drop the gas tank to check out the sock on the pump.Sock was dirty so i replaced pump assumi... |
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| 1995 GMC C1500 Sierra SL 5.7L dash lights, radio, fuel pump VIN: 2GDEC19K4S When you are driving down the road the ignition system acts like you reached up and cycle the ignition switch on and off really quickly. It does this about 5 to 10 times and then will run fine for awhile. I have checked the wiring at the electrical portion of ... |
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| 1997 Pontiac Grand Am SE 3.1L compressor coil/diode VIN: 1G2NE52M8V i got this grand am that came in a few weeks ago with a blown ERLS fuse. customer complained of no a/c, abs and check engine light on and said when she parked it the shifter got stuck so it would not come out of park. after running some tests i found nothing c... |
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| 2000 Pontiac Grand Am GT 3.4L MIL Lamp on VIN: 1G2NW12E0Y Got this '00 Grand Am with check engine light coming on, p0341 cam sensor code, cleared code, did not return, checked sensor and wiring, slight chafe at bracket to green wire, does not seem to be through to copper, I have limited diagnostics being a Ford shop,... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Buick Rendezvous CX 3.4L abs VIN: 3G5DB03E12 well ran out of time on this one and customer never brought it back for further testing and has reported that it never has done it sense then, thats why it never was brought back in the customers mind anyway. |
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| 1991 Chevrolet Lumina 3.1L Cuts out, Stall VIN: 2G1WN54TXL After replacing all six fuel injectors, (3 were bad) the vehicle still had the same problem. I then replaced the computer and the car was fixed. I believe the 3 bad injectors burned out the drivers in the computer. So it needed both. I thank you guys for point... |
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| 1997 Chevrolet Blazer 4.3L ABS Module VIN: 1GNDT13W0V It has been 15 days and vehicle hasnt returned. Customer took it with the ABS lite on but told me later it went out and didnt come back on. Alex [...] said to back probe the A terminal on... |
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| 1999 Chevrolet Tahoe LS 5.7L Hesitation, Stall VIN: 1GNEK13R7X Well after reading all the replies, the majority reccomended checking the dist gear for wear as this is a common problem. I removed the dist and seen no obvious wear. To be sure I went to a local parts house and compared to a new one. They looked to be the sam... Trouble codes: P0339. |
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| 2000 Chevrolet Cavalier 2.2L MIL Lamp on, runs fine VIN: JHMDRT45M6 thanks for all the help bottom manifold was cracked at runner thanks for all the help bottom manifold was cracked at runner thanks for all the help bottom manifold was cracked at runner thanks for all the thanks for all the help bottom manifold was cracked at... |
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| 2000 Chevrolet Impala 3.8L no interior lights VIN: 2G1WHK3Y92 Thanks again for the 3 replies we got-guest just returned vehicle today for further checking-found blown trk\roof\brp fuse in pass side fuse panel.Replaced fuse & symptoms gone-all lights operative.Sent to dealer to have BCM program affirmed-all ok.Not sure if... |
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| 2004 Chevrolet Silverado 1500 5.3L Windshield wipers VIN: 1GCEK19T24 Thanks to all that replied. This guy has become a regular customer sense I've opened shop here in West Virginia. I have a circuit board here waiting but haven't been able to get the truck back so I can install it. If this doesn't fix it I'll repost. Again than... |
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| 2000 GMC Jimmy Diamond Edition 4.3L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1GKDT13W6Y Mass Air Flow Meter Replaced, Throttle Position sensor also replaced . Vehicle fixed |
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| 1998 Oldsmobile Silhouette GL 3.4L accessories VIN: 1GHDX03EWD Got this vehicle fixed. Thank you for all the help. Found 13 wires that go to the b.c.m. Burned through and repaired them,but van still would not start! Took out the carpet and found an entire loom (70-80 wires) completely melted together! They are for power s... |
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| 1999 Pontiac Grand Prix SE 3.8L MIL Lamp on VIN: 1G2WJ52K4X I have been trying to get this car into the shop for further diag but have been unsuccessful at prying the customers hands from the steering wheel. I see this car on a regular interval it usually gets everything that is wrong all at once and I don't see it aga... Trouble codes: P0341 (CMP Performance Failure). |
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| 2001 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NE52T21 HERE IT IS AGAIN I FINALLY WENT AHEAD AND LOOKED AT THIS ONE MYSELF AND IT HAS A BAD IGNITION SWITCH NOT A FUEL PUMP. ANOTHER FINE EXAMPLE OF LEAD A HORSE TO WATER PUT HIS FACE IN IT AND HE STILL WON'T DRINK! |
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| 1999 Saturn SL1 1.9L horn VIN: 1G8ZH528XX Well first thans for the help and after working my way back up the harness from the horn looking for a chafed wire as most suggested, i got all the way up through the firewall when a slight tug on the wire chirped the horn. So i take off the column cover and s... |
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