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Professional Automotive Repair Technical Discussions for April 6, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1990 Cadillac Commercial Chassis 4.5L No Start VIN: 1G6CB1332L Hey All! Gotta Love Older Caddys! This One Died while Driving into my Parking Lot. Found Code 41, Cam Sensor Problem, Replaced Cam Sensor on Distributor. Engine Fired Up and Ran but Sluggish. Changed Plugs, Cap, Rotor. Engine Started and ran GREAT... for a lit... Trouble codes: 41 (Cam Sensor Signal Problem) |
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| 1969 Chevrolet Corvette 7.0L pinion VIN: 194379S732 The half shafts needed new u joints(had free play),Then we noticed one of the output shafts was cracked, and splitting apart, at that point I noticed a lot of play in the pinion, pulled the housing, I made the mistake of tapping the out put shafts off without ... |
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| 1991 Chevrolet S10 Blazer 4.3L hard to start first VIN: 1GNDT13Z4M has very long cranking time then fires right up. replaced fuel pump assembly and filter and relay, costumer picked up vehicle drove it 4 months brought back with long cranking issue replaced pump under warrenty but still has same problem.any help or suggestion... |
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| 1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W4S car stalls on freeway, cranks ok, no start. towed in to shop. Scope ckeck pass ignition and has rpm. fuel pressure low. Install new ac/delco pump. Start and run for 10 mins, and then dies out. fuel pressure 58 psi cranking, good compression, good spark. no fue... |
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| 2004 Chevrolet Monte Carlo SS 3.8L Inj Pulse VIN: 2G1WZ121X4 Have no injector pulse good spark good fuel pressure starts off brake clean and then runs fine turn off no restart without a shot of bc found mouse droppings in air box and can see pre. Wire repair removed ignition mod and mounting brk cleaned and remounted fo... |
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| 2004 Chevrolet Silverado 1500 5.3L Starting VIN: 1GCEK19T74 This is a no start condition. Starts and stalls. Theft deterrent is activated. The bcm has no communication, commm wires to pcm are good, power and grounds are good to modules and all other modules communicate. Tried a bcm with no luck. Any help is appreciated... |
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| 2002 GMC Sierra 1500 HD SLE 6.0L Misfire, MIL Lamp on VIN: 1GTGK13U32 Trying to do a crank relearn. Have read that #1 cylinder misfire may need to do a crank relearn procedure. I have tried with 2 different scanners 1 a(Tech2) and rev limiter will not apply. Will rev to 5500 in park, park brake applied no foot on brake. Wanti... Trouble codes: P0300 (Multi cylinder misfire), P0174 |
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| 2007 GMC Acadia SLT 3.6L delayed shit VIN: 1GKEV33747 This trans came in with no R-3-5. R-3-5 destroyed with lots of metal, new clutch and housing and end cover along with all clutch in overhaul. also had a broken isolator spring in the upper valve body. New ac-delco tcm and flashed with tis-web. The problem now ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2007 Cadillac Escalade 6.2L multiple VIN: 1GYFK63847 Hello, We have this one fixed. The problem turned out to be the transmission ecu. We had ended up shipping this to the dealer, as there were just so many systems and codes and lack of communication, we said uncle and cut our losses. The customer returned toda... |
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| 1999 Chevrolet Camaro Z28 5.7L P.S. Pump Noisy VIN: 2G1FP22G0X FIXED. This one got 30 replies, thanks to all that put forth an effort to help. It sounds to me that many of you have been there before. The pump was the issue. I especially liked the comment from Donald from Montana, about the "pump of the week club".... |
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| 2003 Chevrolet Malibu LS 3.1L igntion key VIN: 1G1NE52J03 Good day to you all (: .. Taken my console apart to see what the problem was. Since I don't eat or drink in my car the gum problem was not a thought. Plus I have owned car since 2006. Okay - I checked the shift shaft and rod & spring (all worked fine). checked... |
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| 2008 GMC Sierra 2500 HD WT 6.6L derate VIN: 1GTHK23678 Well sorry for the delay. What I did come up with on a older veh 2001 is a vacuum pump was not pulling correct vacuum for egr vale movement. With that being said, I believe there is an under lining to this code. It is for performance. Time and time again other... Trouble codes: P0101, P2563. |
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