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Professional Automotive Repair Technical Discussions for September 8, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Buick LeSabre Custom 3.8L No Start, Cuts out VIN: 1G4HP54K22 This cars got me pulling my hair out! I was pretty sure that the original problem was a bad crank sensor due to the code and stalling hot and hard starting . Well that all went out the window when I tried a sensor then the car would not start (standard ) it wa... Trouble codes: P0336 (18 x crankshaft performance) |
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| 2005 Cadillac STS 3.6L Radio VIN: 1G6DW67705 I have this Cadillac that came from a body shop for no crank, found a bad ECM change ECM now radio is in theft lock, but the radio worked when it came in. Did a code scan when it came in no codes but a communication code on the ECM U0100,after replacement no c... |
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| 1997 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1GCGK29R9V This truck was brought in for P0171 & P0174. Customer replaced PCV valve. Fuel pressure was at 53 psi, mitchell calls for 60-66 psi. B1 short fuel trim was 0%, B2 short fuel trim was +20%, B1 long fuel trim was +16%, B2 long fuel trim was +25%, at idle. We rep... Trouble codes: P0171, P0174 (bank 2 lean) |
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| 2007 Chevrolet Equinox LT 3.4L No Start VIN: 2CNDL63F87 The 3.4 acts like the firing order is wrong, but have checked all documents and it is correct. It cranks that way. It will not start but try's. I have ran CMP and CKP scope test and it looks good. I have tried a new computer and no change. Grounds at rear of e... |
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| 2007 Chevrolet Uplander LS 3.9L MIL Lamp on VIN: 1GNDV23W37 Customer complaint off check engine light on. Found code p1174. Checked data stream and all pids appear to be in range. Long term fuel trim -4, short term between 2 and -3 at idle. Vacuum correct for my area, 02 switching fine between 82 and 820. MAF reading a... Trouble codes: P1174 (Fuel trim balance bank 1) |
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| 2015 Chevrolet Colorado 2.5L No cruise VIN: 1GCGSAEA1F Customer asked if cruise could be installed on this base model truck Called dealer and was told replace steering wheel and reflash pcm and all good. Cruise does not work. When I look at scan data it says cruise disabled and none of the pids change when I push ... Trouble codes: P2119 (Throttle blade did not return to rest position in 1 sec) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Chevrolet Suburban 2500 LT 6.0L Fuel Gauge VIN: 3GNGK26U21 thanks to BOB from Minn. We finally got to work on vehicle, it did have a rear tank. We pulled the pump assembly and found the sending unit bad and pump pickup sock collapsed. we replaced assemble and all is good now! |
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| 2005 Chevrolet Suburban 1500 LT 5.3L Restricted Gas Fill VIN: 3GNEC16Z65 The vent line was pinched . Thanks for everyones help Trouble codes: P00, 446 (Evap), P0445. |
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