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Professional Automotive Repair Technical Discussions for February 2, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1985 Chevrolet C10 Scottsdale 5.0L No Start VIN: 2GCDC14H9F We need help, we had a 1985 chevy c10 pu towed in with no spark, changed ignition module started right up, let run for about an hour closed hood, came back 1/2 hour later no start and no spark, so i pulled distributor & replaced pickup coil & wire harness from... |
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| 2003 Chevrolet Silverado 2500 6.0L 4wd VIN: 1GCHK24U73 This truck appears to be shifting into 4wd all by itself. Driver tells me when it happens, truck cat walks around corners as in 4wd. Driver is knowledgeable about 4wd. Ex concrete contractor that went out of business. Truck only does it intermittently in parki... |
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| 2005 Chevrolet C5500 Kodiak C5C042 6.6L Engine VIN: 1GBE5C1215 We test oil pressure at block,,, 0 PSI Customer stated was running fine night before. Went to restart next morning and no pressure. Has anyone seen this before? Any thing I can test or that you recommend??? |
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| 2006 Chevrolet Colorado LT 3.5L Misfire VIN: 1GCDT13616 Vehicle has misfire at times at idle. This misfire is on all cylinders truck my be warm or cold. You can feel the misfire and see it on the misfire graph but it will not set a misfire code.It will misfire on accel but it is very slight or you can drive it and ... |
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| 2007 Chevrolet Silverado 1500 LTZ 5.3L MIL Lamp on VIN: 1GCEK19J57 Vehicle came in with a no start condition, found #22 fuse blown. This was the FCPM fuse, we replaced the fuse and it blew immediately. Unplugged fuel pump and replaced fuse, and it blew again. Unplugged FCPM and replaced fuse, fuse did not blow. Replaced... Trouble codes: P069E, P0191 (Fuel rail pressure sensor performance) |
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| 2009 Chevrolet HHR LT 2.2L shifter VIN: 3GNCA23B89 Problem shifting out of park-seems worse when cold.Has anyone run into this? Please help. |
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| 1999 GMC Sierra 1500 SL 4.8L 2-3 shift solenoid VIN: 1GTEK19V3X DTC P0758 indicates open or short to ground on 2-3 shift solenoid. Shifts normal until it shifts into 3rd gear.A&B solenoid are on 1st, B is on for 2nd and both solenoid are off for 3rd as require. code trigger happens from 2nd to 3rd, when B solenoid should b... |
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| 2003 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHC23163 Diesel techs. First you have my respect in every way, every part is expensive and they're all heavy. This truck was parked for 8 hours after running perfect and hasn't started since. Except after a couple squirts of starting fluid. I was called in to diagnose ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Chevrolet C1500 5.7L Poor Idle Quality, Stall VIN: 2GBEC19K0S Badda-bing, badda-boom!!! After checking the fuel pump (and damaging it in the process, I had to replace it) and finding no fuel delivery issue (for the umpteenth time, may I say), I decided to take a shot at the PROM chip, took a walk on the wild side of G... |
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| 2008 Chevrolet Express 1500 4.3L MIL Lamp on VIN: 1GCFG15X78 Thank you all for all the reply,of course it was something stupid as always, looking too deep into it can mess up your brain.We noticed while working on this car a very small leak from the r/s exh manifold hardly noticeable, when telling my partner my find, he... Trouble codes: P0174. |
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| 2012 Chevrolet Impala LS 3.6L MIL Lamp on VIN: 2G1WF5E36C Unfortunately, we were not able to fix this Impala. The customer needed it back. Oddly enough, this engine ran fine, and if it wasn't for the check engine lamp and lean codes, you would never have thought there was an issue with it. In the end, we were able to... Trouble codes: P0496 (Purge flow with no command), P0171 (Bnk 1 lean), P0174 (Bnk 2 lean). |
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