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Professional Automotive Repair Technical Discussions for May 14, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Chevrolet Silverado 2500 LS 6.0L MIL Lamp on VIN: 1GCGK23U64 When this truck came in, it was in limp mode, Check Engine Light on, code P0220, and had no throttle response. Throttle body was carboned up bad. With KOEO, used throttle holder to keep throttle open. Using a small wire brush and rag, gently cleaned as muc... Trouble codes: P0220 (TPS 2 voltage low), P2135 |
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| 2004 Chevrolet Silverado 2500 6.0L gear indicator VIN: 1GCHK23U44 Remove/reinstall trans. Take the gear shifter out of park and it takes approx. 5 sec before the "D" indicator lights up on dash. It does immediately mechanically engage into gear; however, the indicator has a 5 sec delay. Therefore, the lights and door loc... |
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| 2010 Chevrolet Impala LT 3.5L module VIN: 2G1WB5EK7A Please read carefully. Car presented for assorted abs codes that seem to change with every drive. Rf and lr sensors have been changed, rear harness replaced with new due to butchery, module connector and lock tab replaced because broken and missing. Have o... |
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| 2014 Chevrolet Cruze LS 1.8L Misfire, MIL Lamp on VIN: 1G1PA5SH0E Car came in with check engine light. Problem in rear oxygen sensor. Cleared codes. Code came up for intake manifold. Arm broken from motor for intake manifold valves to valves. Replaced intake manifold. Cleared codes. Road tested. Check engine light came b... Trouble codes: P0300, P0351, P2301 (Ignition coil 1 control circuit high voltage-malfunction) |
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| 2011 GMC Sierra 3500 HD SLE 6.6L Oil pump drive gears VIN: 1GD313CL3B This truck was brought in with a noise concern, new engine was quoted by GM dealer. We identified a fuel knock and missfiring engine and confirmed by scan data missfire info and injector bench testing. Oil sample was taken and tested at Caterpillar dea... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2008 Buick Enclave CX 3.6L Loss of reverse, default gear in forward VIN: 5GAEV137X8 Sorry for the delay in closing this. It turned out to be an internal mechanical problem inside the transmission that was the cause of the problem. From what I learned it's fairly common for these transmissions to fail and quite often the path to failure often ... |
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