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Professional Automotive Repair Technical Discussions for November 23, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Cadillac CTS 3.6L no communication VIN: 1G6DP56795 vehicle came in running and driving with a misfire on cylinder 4, diagnosed it down to a bad injector driver in the ecm ordered replacement acdelco reman ecm using vin replacement ecm part number [...] disconnecte... |
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| 2000 Chevrolet K3500 6.5L No Start VIN: 1GCHK33F6Y ok im not much of a diesel guy, but when you crank the truck it wants to start but dies right out as if it had a antitheft problem. the antitheft light is not on, i have no communication with the pcm only, ebcm, and antitheft i have communication, i unplugged ... |
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| 2002 Chevrolet Silverado 1500 4.3L engine VIN: 1GCEC14W32 Thank to all Tech for the time to read my post, Crank no start, catalytic converter B1 was plug, fixed and still no start, check spark plug wires found wire from Cy 6 was bad, replace wires, injector balance test, Cy 6 was stuck close, replaced with use inject... |
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| 2007 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDT13S07 My question is after replacing all the parts in the system. And checking to make sure it was working , I'm still getting a p0411 freeze frame data shows the air system is off when the code is tripped , but the system is on at the time , could the pcm be throwi... Trouble codes: P0411 (testing and results) |
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| 1997 GMC C1500 Sierra SL 5.7L Unknown VIN: 2GTEC19R7V hi ,gm techs. this truck came in for brake and some other repair. changed the master and wheel cylinders, after 2 days bleeding with pressure bleeding and foot pump still no lock,pedal goes to floor. there is no abs or brake warning lights on, could not find a... |
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| 2006 GMC T7500 T7F042 7.8L No Start VIN: 1GDL7C1346 This isuzu 7.8l cranks quickly but will not start without a quick shot of either. Even right after shutting down the warm engine. Engine power seems very good and runs very smooth. My colleagues and i have tested every angle of this crank, no start without eit... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Chevrolet Impala LS 3.8L Hyd Brake Line VIN: 2G1WH52K94 I lowered the rear of the cradle 2-3" and was able to slip the line right into place. Note: I had previously removed the cat conv. As this line had 20 bends end to end, using an available OE line seemed the best way to go. |
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| 2007 Chevrolet Silverado 2500 HD LTZ 6.0L MIL Lamp on, Reduced power VIN: 1GCHC29K27 We determined that the catering lights on bed of truck was causing a 15 amp load for extended periods of time when truck was not running. Auxillary battery with isolator was solution. Trouble codes: P060D. |
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| 2004 GMC C6500 Topkick C6C042 7.8L Stall VIN: 1GDJ6C1354 hi,every one send back to dealer ,they changed ecm to fix the problem. thanks again matt |
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