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Professional Automotive Repair Technical Discussions for July 20, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Chevrolet Blazer LS 4.3L engine VIN: 1GNCS13XX4 customer came in late friday evening.. check engine light on,running rough scanned computer for codes---Po300--ramdom misfire sold tune up based on mileage & spark plug condition Check compression #2 cylinder---140 psi replaced #2 fuel injector...misfire s... |
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| 2011 GMC Acadia SLE 3.6L Temp. VIN: 1GKKVPED9B Idle when become to hot ecm cut a/c and hi side pressure 2660 kpa (385 psi). Go on road all is ok. Trouble idle. Scan all system no code. |
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| 2004 Pontiac Grand Prix GT1 3.8L No Start, Stall VIN: 2G2WP52264 Hi guys, got this 2004 grand prix 3.8. Customer change fuel pump. We change fuel pump and still this car is not reading on the pressure gauge. Will run on an alternate fuel source, Have changed fuel filter crank sensor. still no pressure on gauge. Have checked... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Cadillac SRX 3.6L clunking VIN: 1GYDE63784 Was the transfer case chain if you take the oil drain plug for the transfer case you can see the chain jump gears. |
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| 2000 Chevrolet K3500 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCHK34J7Y Thankyou for all the help, and telling me why this one does not have rear O2s. The problem was like you guys said! Wires for the O2s got mixed up side for side during the motor and trany job. I was trying to out think the problem. Just have to remember, always... Trouble codes: P0132, P0151. |
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| 2003 Oldsmobile Bravada 4.2L Hesitation, MIL Lamp on, Power Loss VIN: 1GHDT13S13 So this one is good to go. Thank you for the replies. Bradley-the forum thread was a good read, easy to forget how much information can be found in the forums as well as the archives. Doug- appreciate the thought on grounds, re-checked those w/ voltage drop wh... Trouble codes: P1271 (App1 correlation error), P1280 (App1/2 correlation error). |
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