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Professional Automotive Repair Technical Discussions for August 28, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Buick Enclave CXL 3.6L Liftgate VIN: 5GAER23798 Recieved the car with liftgate inoperative, works only manualy, electric latch close and locks well. Liftgate Shocks are in good shape, keeps liftgate firmly open. I have already read about all posible causes, battery level, ambient temperature, shifter in par... |
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| 2000 Cadillac Escalade 5.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GYEK63R9Y This GM truck idles poor and will hesitate on acceleration. Dealer told her the fuel injectors are leaking. Fuel pressure is 57 PSI engine running or not. Pressure will dead head at 75 PSI and engine will idle smooth. Spec is 60-66 PSI, so we know it is low on... Trouble codes: P0171 (Lean bank one) |
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| 1987 Chevrolet R10 Custom Deluxe 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCER14H6H Hello fellow techs, this truck came in with all the above parts installed as the customer played swaptronics with his truck.The truck runs extremly poorly, is very hard to start the smell from the exhaust will burn your eyes when it's running,and it won't idle... |
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| 2002 Chevrolet Silverado 1500 5.3L Speedometer VIN: 1GCEK14T52 Truck has code c0238 mismatch speed sensor. Truck has lt325/80/16 mickey thompson tires and changed gears to 4.55 it had lt265/75/16 tires with 3.73 gears stock. I have a tech 2, tried to change tire size, but limited tire choices to choose from. The other t... |
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| 2003 Chevrolet Silverado 3500 6.6L neutral light VIN: 1GCJK39183 Hey all, I'm working on a 4wd system. The truck had a bad transfer case...bearings rolling around in it n a stretched chain...we replaced it w/ a remaned unit...no 4 whl low. The transfr case shift module had a burnt spot on the board so we replaced it n flash... |
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| 2007 Chevrolet Trailblazer LT 4.2L Stall VIN: 1GNDS13S87 Thanks in advance for your help.Customer says when he comes to a hard stop this vehicle will stall then is hard to start. This issue is intermittent and I haven't been able to get it to do it again. Basically I'm looking for a good place to start.The owner sto... Trouble codes: P0017, P0014, P0300, P0506, P1400 |
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| 2003 GMC Sierra 3500 6.6L Stall, MIL Lamp on VIN: 1GDJK34193 Intermittent stall. Bad FICM? Truck came in last week for no start after an intermittent stall condition. Original code was P0335 Crank signal. Found bad connector at CKP. Soldered in new AC Delco connector. Test drove numerous times without concern. Customer ... Trouble codes: P0374 (Timing Reference Signal A No Pulses) |
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| 2003 Saturn L300 3.0L No Start, MIL Lamp on, sercurity light on VIN: 1G8JW54R03 Hi everyone Young employees car/ He said that whenever the service light would come on his tranny would shift funny. Cleared all codes and checksum error for BCM came back. "He" replaced the BCM and then I couldn't get it to flash. Sent it to dealer they said ... Trouble codes: B1811 (Max addapt long shift), B1000 (Ecu malfunction), U1096 (Lost com with ipc/dic or class 2 txd), B1260 (Security system data wrong but valid) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Buick Century Custom 3.1L Input speed VIN: 2G4WS52J9Y Well, I believe I got this one figured out. Yesterday the misfire data did not show anything current or history. I think Jerry from New Jersey was right in that the clutches or something was causing what I felt in the shop however it was not the issue. I had p... |
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| 1993 Cadillac DeVille 4.9L rear suspension VIN: 1G6CD53B1P Thanks for all of the help with this. I had a sit down with the customer and after a bit of initial hesitation, he agreed to move ahead with the non-electric strut replacement. New struts all around with an alignment. The electric repair (i.e. cut wire) was si... |
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| 2001 Cadillac DeVille DTS 4.6L Misfire VIN: 1G6KF57911 Well, It is fixed, The rear exhaust cam was one tooth off (advanced) It must have slipped while installing the chain tensioner and my Tech didn't catch it, Things happen. I belive that the PCM was reporting #3 cylinder as the missfire but it was reporting wro... Trouble codes: P0300 (Engine Misffire Detected). |
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| 1997 Chevrolet Express 1500 LS 5.7L 3-4 shift VIN: 1GBFG15R8V Thanks to all who responded. After checking line pressure, I was confident it was an internal problem with the transmission. My rebuilder built another transmission. I installed it & all is well. Thanks again. |
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| 2005 Chevrolet Trailblazer LS 4.2L unexpected accelerat VIN: 1GNDT13S85 Well, it took some time but I have found that the throttle plate was caked with carbon, however, the problem appears to stem from a faulty cruise control. I did get it to replicate the issue and when I shut the cruise off, the vehicle stopped the acceleration.... |
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| 2005 Chevrolet Equinox LS 3.4L spark plug VIN: 2CNDL23F75 well unfortunately this vehicle got fixed somewhere else because she told the owner that although she knows we are competent to repair the vehicle she just doesnt trust us after all the bs and to me that is a real slap in the face actually it really pisses me ... |
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| 2006 Chevrolet Silverado 3500 LT 6.6L turbocharger VIN: 1GCJK33D96 Thank you for the help. I finally got the bolts loose from exhaust pipes behind the turbo. I removed the fender liners. I had to use a 1/2 inch rachet and put alot of pressure to pop the bolts loose. After I got the shields loose and the outlet pipe loose I ha... |
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| 2001 Oldsmobile Silhouette Premiere 3.4L Misfire VIN: 1GHDX03E41 Out of the twelve responses, ost pointed to connector issues and a few recommended replacing the injector for no. six cylinder. We carefully cleaned the injector harness connectors and the connections to the injectors themselves. It has been a week or so and... Trouble codes: P0206 (Injector voltage hi/low on number 6 inj.), P1374 (3X reference ckt. problem). |
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