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Professional Automotive Repair Technical Discussions for January 9, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Buick Park Avenue 3.8L intake exploded VIN: 1G4CW52K8V This vehicle was driven out of shop 1 month ago and parked.Went to bring inside and battery was dead.Pushed into shop and put on charger.After 30 minutes went to start engine to move vehicle so I could work on windows.As soon as I turned the key to crank the u... |
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| 1999 Buick Regal LS 3.8L No Start VIN: 2G4WB52K1X Please see related repair history |
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| 2002 Buick Century Custom 3.1L No Start, Stall, MIL Lamp on, Security light on VIN: 2G4WS52J52 This started as a intermittant stalling problem with gauges jumping around and no crank until it sat for a few minutes to an hour. When car began to be a problem more frequently she left the vehicle with us. As she said, gauges were eratic, warning lights woul... Trouble codes: U1064 (Communication lost with bcm), P1626 (Theft enable lost) |
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| 2007 Cadillac Escalade ESV 6.2L suspension VIN: 1GYFK66857 The service suspension message is on and my tech 2 will not communicate with the vehicle. The tech 2 says (candi module not detected). I have checked all the grounds. Pin 5 of the dlc should be less than 1 ohm and i have 20 ohms. Any help would be appreciated. |
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| 1969 Chevrolet Nova 5.7L Engine VIN: 1327WER456 Ok here is a fun one. Not so funny on my end. This is my ride. 1969 Nova with a 327 block. Last winter I had to park it outside will working on cars. I checked the oil and noticed antifreeze in it. Took engine apart. All gaskets looked fine. Had machine shop c... |
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| 2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Misfire VIN: 1GNDT13S72 installed new plugs, coil boots and new coil on number 3. still can read missfire counters on scanner on cylinder 3. did find vacuum leak on intake and found it warped. Installed new intake and still have the small miss on 3. When I removed the new plug it loo... Trouble codes: P0300, P0303 |
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| 2004 Chevrolet Suburban 2500 LS 6.0L Battery VIN: 3GNGC26U94 This truck will kill a battery in 4 or 5 days of sitting. Did Amp Draw Test and found a drain of 300ma.after about 10 min. of watching. Pulled all fuses and relays in all fuse boxes plus disconnected the alternator and found that the fuse "IPC/DIC" when remove... |
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| 2006 Chevrolet Express 2500 6.6L Poor Idle Quality, noise/vibration VIN: 1GCGG292X6 This Duramax has a loud noise, sounds like exhaust leak, but not a single cylinder, sounds uniform like after turbo. Also has knocking noise and vibration which seems to come from the turbo. We removed the exhaust pipes that feed into the turbo and that correc... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEK19T33 well i finaly got this truck back in the shop. cleaned the injectors helped some but #1 still misfiring did a static compreshion test about 15 lbs low running test compreshion was varing as much as 45 lbs found bad valve spring still need to replace spring an... Trouble codes: P0300, P0301. |
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| 1999 GMC K2500 Sierra SLE 5.7L Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GTGK29R7X This one is fixed!! Thank you to all who replied. This one was probably not a typical problem. The single grey wire from the VCM to the ignition module was flexed and shorted to another wire below the brake booster. It fried the computer and two more that I in... Trouble codes: P0141, P0758, P1351. |
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| 2002 Pontiac Grand Prix GT 3.8L Air Flow VIN: 1G2WP52K12 Thanks for all the replies. It took some time for the customer to free up the car one more time, but it ended up the heater core had a matting of dirt across the front of it. So half of you hit it right. Others recommended a low freon charge. While the fre... |
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| 2007 Pontiac G5 2.2L speedometer VIN: 1G2AL15F27 The fix for this vehicle was reprogramming the Transmission Control module(TCM)as most of you recommended.I reprogrammed the TCM from the AC Delco TIS2 Web.Using my laptop hooked to the Tech2 which was hooked up to the DLC,I reprogrammed the TCM.When programmi... |
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| 2004 Saturn Vue 2.2L MIL Lamp on VIN: 5GZCZ23D04 Sorry everyone for taking so long, but I've been waiting for the customer to return and so far has not. Really think the canister needs to be replaced with another vent valve, but cant do it without a car. If someday it darkens my door and I get to the botto... Trouble codes: P0455. |
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