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Professional Automotive Repair Technical Discussions for July 22, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Chevrolet Cavalier RS 3.1L Poor Idle Quality VIN: 1G1JC84T2M I have the nice old cavalier here. Has a rough idle, smells like its runing rich. Has no codes in it. Pulled a plug looks pretty black but fairly recent change. Watching pid data, o2 switchs, verified coolant temp sensor is correct. Can't see any fuel trim pid... |
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| 2002 Chevrolet Silverado 2500 HD 6.6L EGR monitor VIN: 1GCHC29102 Hi folks, This is the truck I use for my business and I need it to pass California smog. I've replaced the glow plugs and took care of the check engine light this week but now I can't get the EGR monitor to run. This is a non-continuous monitor and it needs t... |
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| 2008 Chevrolet Corvette 6.2L No Start VIN: 1G1YY36W48 I have gone through everything on this computer that I can think of. No codes and no start. if we spray carb spray into the intake it starts right up and runs till you stop spraying. Have verified all data coming from the computer, ie. maf, crank, cam, vats, t... |
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| 2003 Oldsmobile Silhouette Premiere 3.4L Starting VIN: 1GHDX03E23 to all gm gurus out there. got this silhouette that has a no start condition with no radio and dead instument cluster. jumped wires at the starter relay and the vehicle starts and runs ok. radio and cluster resume operation. thought it was a bad bcm and swappe... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1987 Buick LeSabre Limited 3.8L ignition VIN: 1G4HR143XH Thanks for all the great suggestions. I re-checked all of my wiring going to the icm and had every power, ground and cam/ crank signals i was supposed be getting. I started to take the icm back apart and upon closer inspection of the connecter, i found one o... |
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