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Professional Automotive Repair Technical Discussions for January 25, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Buick Lucerne CXL 3.8L Radio VIN: 1G4HD57218 The car came to us and we checked powers and grounds and reflashed the radio and body modules. A message comes up stating "no vin" we are using the Tech 2 and follow the vin relearn and it still comes back with the same message. The customer had a used radio o... |
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| 1999 Chevrolet Lumina 3.1L Starting VIN: 2G1WL52M6X Help,,, Vehicle towed in with no-start. Stasrter tests good and ignition switch replaced to no avail. Based on the diagram I think the security module is bad but no key fobs available and I don't know how to bypass the module. Any suggestions are appreciated a... |
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| 2000 Chevrolet Suburban 1500 LT 5.3L Check engine lite VIN: 3GNFK16T9Y This vehicle came in with a check engine lite (code p0442). We smoke test and found leak at the charcoal canister - we replace the canister and also the two solenoids but that code p0442 is not going away . Any help will be appreciated Trouble codes: P0442 |
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| 2001 Chevrolet Astro LS 4.3L Starting VIN: 1GNEL19W51 This astro van was towed in as a no start. Battery was dead when we got it. Tried charging battery but would not take a charge. Replaced battery and vehicle started. Checked charging system and vehicle was not charging. Diagnose problem to be a faulty alternat... |
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| 2001 Chevrolet Malibu 3.1L Poor Idle Quality, Surge, Cuts out VIN: 1G1ND52J81 Intermittant cut-out, almost stalling only at idle mostly when in gear stopped at a light. Vehicle runs fine on road all the time, however will almost stall and has a hard cut-out when your stopped at a light. The cut-out feels like a totally shut down for a s... |
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| 2003 Chevrolet Suburban 1500 LS 5.3L Mechanical VIN: 3GNFK16Z33 Transmission works fine cold, after 15-20 min it will barely move in all gear positions and makes noise in P or N. I checked fluid level and it was above the cold mark, removed some fluid with no change, fluid level is in cold range now with fluid @ 70F. I don... |
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| 2005 Chevrolet Equinox LS 3.4L Hesitation, Misfire Vehicle came in the shop for a misfire seemed liked ignition replaced spark plugs and wires coil pack cleaned fuel injectors. Driving at cruise(55mph) it will count misfires on all cylinders and can also be felt. Brake torue will not make it misfire. Only way ... |
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| 2006 Chevrolet Impala LS 3.5L shift quality and ses lamp VIN: 2G1WB58N26 vehicle came in with ses lamp and code p0717,diagnosed bad input speed sensor in trans,had too little resistance,replace iss and cleared codes car went 2 days and returned with light on and same code,inpected and tested all wiring and connector conditions and ... |
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| 2011 Chevrolet Colorado LT 3.7L Key FOB VIN: 1GCHTCFE1B I tried to find programming instructions on Alldata, could find nothing. Went into our TECH 2 and it does not seem to list anything to program key fobs. I have programmed many GM key fobs on the TECH 2, but could not find any place that would allow key fob pro... |
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| 1996 GMC K2500 Sierra SL 6.5L No Start VIN: 1GTGK24F6T hello fellow techs of iatn!i'm looking for some advise for this truck since is my first time working on gm diesel engine witch i'm not familiar at all(had fixed lots of powerstrokes).truck was towed to my shop for no start so first thing I did was to scan it a... Trouble codes: P1218 |
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| 2000 GMC Yukon SLT 5.3L Extended Crank VIN: 1GKEK13T8Y Vehicle came in with extended cranking complaint. Checked fuel pressure regulator and it was leaking fuel. Replaced fuel pressure regulator with AC Delco unit and resoved the extended cranking problem. Customer returned next day with a vibration/buzzing noise ... |
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| 2000 GMC Yukon XL 1500 SLT 5.3L draw VIN: 3GKEC16TXY this thing has a 190 ma drain on battery, when removing the tbc fuse drain drops to 20 ma, have unplugged both vanity mirrors, rmeote control door lock reciever, ipc, all aftermarket accesories, when unplugging the inadvertent relay drian drops to 80 ma, unplu... |
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| 2004 Pontiac Vibe 1.8L Hesitation VIN: 5Y2SL62854 This vibe has a tip in hesitation. Leaving from a stop sign it will fall flat on its face. Once the car works its way through that it will accelerate up to speed and cruise down the road just fine. It idles just fine. There is no codes that are set. Data looks... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Chevrolet Express 2500 5.0L No Start VIN: 1GCFG25M01 i replaced the fuel pressure regulator in the intake manifold and the fuel pressure is now higher and the van start and run at -31c this morning thanks again. |
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| 2004 Chevrolet Express 2500 4.8L No Start VIN: 1GCGG25V74 I want to thank Duane, Michael, Timothy, Steve, & Seth for their help. I did re-checked the negitive battery ground cable & found the braided part from the engine block to frame was weak. When testing I used a headlight as a load with a voltage gauge. Seamed ... Trouble codes: B0951 (Headlight on indicator), B2625 (Display driving pwm output circuit malfuntion), U1016 (Lost communication with engine control module), U1096 (Lost com with driver imformation display), U1041 (Loss of comunication ebcm), U1000 (Loss of class 2 serial communication). |
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| 2006 GMC Savana 3500 6.6L Hesitation, Cuts out, MIL Lamp on VIN: 1GTHG352X6 well i would like to fix this car but the customer declined after finding the turbocharger bad- sticking at full vane - this was tuff do to it not sticking all the time. diagnose was conferred by another tech that understands the system better. on output tests... Trouble codes: P0234. |
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| 2002 Pontiac Bonneville SE 3.8L Starter VIN: 1G2HX54K52 THANKS TO ALL THAT REPLIED. I HAD SO MANY. SORRY FOR TAKING SO LONG THIS CAR REPAIR WAS DURING THE CHRISTMAS/NEW YER SEASON. THE PROBLEM ENDED BEING THE ALARM MODULE HAD TO BE REPROGRAMMED. SCANNER SHOWED ALL THE RIGHT SIGNALS AND INFORMATION. ECM WAS GETTING ... |
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