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Professional Automotive Repair Technical Discussions for November 17, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Chevrolet C1500 Suburban 5.7L No Start, No mil VIN: 1GNEC16K1S This is a distance diagnosis, sorry up front but I have folks on this fo rme as I cant be there to do it. Here it gos, in short. My 1995 sub. 5.7 vin k. Wife driving down the road it just died, shut off, cranked ok. I was on way out of town, turned around went... |
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| 1995 Chevrolet S10 4.3L 4 wheel drive light blinks This S10 has had virtually the whole electrical & mechanicals replaced & the 4 wheel drive still doesn't work. The TCCM module, transfer case sensor, front diff sensor, actuator cable, & encoder motor have been replaced before it came to me. The lights will mo... |
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| 1998 Chevrolet C1500 Cheyenne 4.3L No Start VIN: 1GCEC19W7W Hi guys I got this truck here that came from another shop with the original complaint of a no start after driving to the end of his driveway and getting the mail. The other shop said they found spark at the coil and no spark out of the distributor so they repl... |
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| 2002 Chevrolet Avalanche 2500 8.1L crank sensor VIN: 3GNGK23G62 best way to remove broken crank sensor |
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| 2003 Chevrolet Silverado 1500 SS 6.0L Vent Controls VIN: 2GCEK19NX3 Hi, Thanks for reading my post. This truck blows the heat and air only out the defroster. I have checked the TSB for the wires at the back of the glove box and there is no wear there at all. The customer doesn't want to take the dash apart without knowing what... |
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| 2003 Chevrolet Silverado 1500 LS 5.3L MIL Lamp on hey folks, im a little to buisy the day before deer hunting for a friends problem. wont pass emissions due to monitors wont reset for the evap and o2 sensors. also mill lamp doesnt always lite for key on check. sorry about the lack of testing. any input apreci... |
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| 1999 GMC Savana 3500 5.7L Poor Idle Quality, Surge, MIL Lamp on, Lean VIN: 1GDJG31R3X This truck is adding fuel from idle up into cruise. The lean codes are setting on decel at about 33 mph. I have check fuel pressure under full throttle and it is at 57 psi. The o2's are switching, they are not showing lean. The actual compliant is that it surg... Trouble codes: P0171, P0174 |
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| 2005 GMC Yukon XL 1500 SLT 5.3L 4 wheel drive VIN: 3GKFK16Z35 05 gmc yukon goes into four wheel drive all by its self when driveing down the highway, code c0379 & b0790 in history ,replaced axle actuator and encoder sensor also check for latest calibrations all up to date.also noticed that it will not come out four wheel... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Buick Park Avenue 3.8L locks/mirrors/windows VIN: 1G4CW52K8Y Thanks everyone.The DDM was the problem.I just wanted to double c/k all details.Happy Thanksgiving.again THANK YOU !!! |
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| 1994 Chevrolet K2500 Cheyenne 7.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1GCGK29N3R Thanks to all who responded. It turned out that we did have the wrong fuel pump. The HP10000 looked the most like the one we had, (We had no tag on the old one). But the HP10001 is the higher pressure pump. It is capable of over 45psi if you clamp off the retu... |
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| 2002 Chevrolet Cavalier LS Sport 2.2L MIL Lamp on VIN: 1G1JH12F02 Thanks to all those replies, the closed canister vent solenoid leaked vacuum but not pressure, we had replaced it with OEM part initially, but turned out to be a failed one. Reading the FTP while under vacuum made a difference as oppose to smoke testing under ... Trouble codes: P0440 (The EVAP System is not able to maintain or achieve vacuum during the diagnostic test.). |
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| 2009 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDS33S69 Catalytic converter fixed this one. Thanks to Paul from Oklahoma really helped out. Truck ran fine on the hwy so converter was never a suspect. Back-pressure test did show a partial clog. Sorry for the delay , I just got the approval and parts this week. Trouble codes: P0411. |
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| 2008 Saturn Vue XR 3.6L starter VIN: 3GSDL73738 The customer has not returned with the vehicle. He stated that until the problem gets worse he is not going to mess with it. I talked with the AcDelco instructor he thinks it is fretting at the BCM. Thank You for your time, if we repair vehicle I will update t... |
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