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Professional Automotive Repair Technical Discussions for January 1, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Chevrolet C2500 5.7L Hesitation, Cuts out, Misfire VIN: 1GCFK24K5S truck came back a week later with agian no power but now the the o2 sensors running rich under load. about .850-.900mv the plugs keep getting fowled out completly black every time. the spark voltage is only running around 4 to 6 kv but if you ground the wire y... |
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| 1995 Chevrolet Blazer 4.3L No Start I have this truck with no injector pulse. Ok before all of you answer it is NOT a fuel pressure problem OR the injector or connector.I am testing the pulse at the connector(engine side) with the injector umplugged. If you let the vehicle sit for several hours ... |
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| 2002 Chevrolet Malibu 3.1L Power door locks VIN: 1G1ND52J82 We have a 2002 Chevy Malibu service car with power locks that when placed in drive the car automatically locks the doors, But when the car is placed in park and the ignition turned off they do not unlock automatically. I have read the service info on this and ... |
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| 2002 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality VIN: 3GNFK16Z52 hello all, i am fighting the wifes suburban cold start (mornings only). w/ tech 2 hooked up,no codes,stay in open loop approx 7 +- minutes,idle lopes,misfires counted on 2 thru 7 cyls, i have sprayed intake for posible false air none apparent,has no miles on f... |
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| 1998 GMC Safari SL 4.3L Hesitation VIN: 1GMHM1GW1G cust. complaint= vehicle lacks power on excel from a stop and in reverse and seems like the tcc isn't locking up on the freeway. well guys, this one here is woopin me up pretty good now oh ya, happy new year! anyway, this van badly lacks power from a stop up t... |
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| 2000 Saturn all CID models VIN: 1236798009 how to identify the different saturn models |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Buick Century Special 3.1L No Start, no mil lamp VIN: 1G4AG55M3R This one is fixed thanks to everyone who replied. this car just enough wire left connecting the fuel pump fuse to the harness that with key off had good voltage to ecm, however with key on the load was enough to take it all alway giving me a dead ecm. Started ... |
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| 1989 Chevrolet Corsica 2.8L No Start VIN: 1G1LT51W4K Well thanks to the abundance of replies. Here is what I have learned. According to the GM service manual, the only items that affect spark are the crank sensor and the module. Wrong! If I had known in advance that the ECM is also involved I would have tapped i... |
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| 1995 Chevrolet Lumina 3.1L fans inop VIN: 2G1WL52M8S Thank you to all that responded. I have found that dash gauge was inacurate. I followed the tip by some to check the temp with a raytec. I checked at the thermostat, radiator, engine block and the gauge sender and none were the temp shown on the dash. The fan... |
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