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Professional Automotive Repair Technical Discussions for April 1, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Cadillac DeVille 4.6L Theft System VIN: 1G6KD52Y1V Car drove in with message center saying theft deterrent problem may not start on next key cycle. Cannot communicate with any modules with scanner. Also on board diagnostics will also read no data for all modules. power and grounds at DLC are good . Cavity 2 re... |
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| 1987 Chevrolet R20 Scottsdale 5.7L no power VIN: 1GCASDFKFH Truck will fall on its face after 1/4 throttle. Acts as if its not getting fuel- o2 sensor will plummet when you give it gas. Acts VERY lean. My fuel pressure gauge starts at 10 psi to 100- not accurate that low. Amp clamp shows me a good clean pattern 3 amps-... |
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| 2000 Chevrolet Malibu 3.1L Surge VIN: 1G1ND52J6Y I need some direction...my wife's car...this surge at 2000 RPM has been there since I bought the car last year...I replaced the intake gasket for an external coolant leak, replaced the fuel pump and fuel filter for a no start, replaced the cam sensor for no ca... |
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| 2003 Chevrolet C4500 Kodiak C4C042 6.6L speedometer VIN: 1GDC4E1113 speedometer when driving 35 speedometer shows 80 replaced speedometer from gm dealer and also replaced speed sensor still during same thing we do not have scanner for medium truck nearest dealer 2hrs away can any body help thanks |
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| 2004 Chevrolet C4500 Kodiak C4C042 6.6L fuel transfer pump VIN: 1GBE4C1144 this truck originally came in with the fuel gauge and transfer pump not working- found bad cluster changed it out , truck went out with everything working fine- came back 6 months later with the alternator not charging (wasn't getting exited) found a bad ecm- ... |
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| 2009 Chevrolet Malibu LT 2.4L No Start, Cuts out VIN: 1G1ZH57B39 Died while driving. Started and stalled like VTD fuel cut. Instantly cuts, as opposed to fuel pump dies and engine sputters. Did this while watching VTD data (OK), then MAP, MAF, TAC, Fuel enable, all OK. After several tries without touching the gas pedal, I s... Trouble codes: P0106 (MAP sensor circuit) |
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| 2011 Chevrolet Express 3500 6.0L steering box? VIN: 1GB0G2BGXB This vehicle will drive fine till hit little cracks in pavement. As hitting cracks and attempt to steer just slightly off center you begin to feel slight wobble in wheel. I then will turn vehicle around and ran power steering against stops. Straighten vehicle ... |
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| 1998 Oldsmobile LSS 3.8L No Start, Stall VIN: 1G3HY52KXW Good Evening Everyone. Boy do I need help with this one. Car originally came in on hook for no start. Found ignition module was bad and replaced it (January). Now car has come back in again on the hook for no start. When I press on the ignition module connecto... |
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| 2005 Pontiac Montana 3.4L ABS system VIN: 1GMDV23E85 Vehicle intermittently & randomly sounds as though going into ABs on its' own while driving. Will generally occur shortly after start up in the morning on first brake apply whether the brake apply is hard or soft. Will also hear the ABS system operate when hit... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1972 Chevrolet C10 Pickup 5.7L Cuts out, Misfire ok so whomever built this motor failed to install cam retainer plate allowing cam to move forward and that is what caused ignition timing to retard. With the exception of two members nobody addressed this issue in their responses and that was the question i as... |
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| 1998 Chevrolet K2500 Cheyenne 5.7L transfer case VIN: 1GCGK29R9W thanx for all the replies, sorry for the delay in closing this.After to many hours and parts we found wires to the high low switch bacwards,but didnt cure it.the fix was the encoder motor 8 wire connector was swapped with the o2 sensor plug wich fit perfectly ... |
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| 2002 Chevrolet Monte Carlo SS 3.8L defoger, ac, heated seats VIN: 2G1WX15K62 Thanks to everyone's help. Ended up replacing the bcm. It was a guess with the reply's we received. Customer has car and driving into the sunset. Thanks al |
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| 2005 Chevrolet Silverado 1500 4.8L Misfire VIN: 1GCEK14UX5 hi all, this truck has not been fixed yet but i must close the request. from the responses the valve springs and the intake gaskets would be the first place i would look. i work for the local government and this truck is just on the back burner until we get ca... Trouble codes: P0300. |
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| 2010 Chevrolet Malibu LT 2.4L Unknown VIN: 1G1ZC5EB1A Hi guys, Due to the low mileage and the fact he had complined about noise twice while under warranty, the dealer said he would help him. I had condemned the rack. I have been unsable to get a hold of the owner after several attempts, therefore I don't know wh... |
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| 1993 GMC Jimmy SLE 4.3L No Start, Stall VIN: 1GKDT13W5P Thanks Pros. Took out the distributor to replace the pick up coil and found a crack under the magnet when pop out the distributor shaft. Replaced a new rebuilt distributor and fixed. Engine stalled, so adjust timing BTDC 0 @ 1000rpm. Then the engine was runnin... |
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| 2000 Oldsmobile Intrigue GX 3.5L engine VIN: 1G3WH52H4Y Thanks everyone. Replaced radiator and the thermostat flow was not good enough. No more overheating. Thanks, al |
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