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Prev Professional Automotive Repair Technical Discussions for June 7, 2008
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1995 Chevrolet Blazer 4.3L Surge VIN: 1GNDT13W1S
Hello all, Vehicle presented with a complaint of erratic idle. The fuel trim numbers were only slightly low and fuel pressure met specifications (see below) We scoped the ignition system. The patterns were normal and the snap throttle KV test good as well. Th...
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2005 Chevrolet Lumina 3.6L Eng oil in cooling system VIN: 6G1ZK52B65
I'd like to thank all who answer in advance. This Holden Lumina 3.6L eng has eng Oil going into the cooling system. I'll go right to the problem and give history of repairs below. WHEN WE PRESSURIZE THE ENGINE OIL PRESSURE CIRCUIT WE GET PRESSURE IN THE COOLIN...
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2003 GMC Envoy SLE 4.2L contols VIN: 1GHDT13S73
Hello i am working on a 03 envoy the complaint is the dash vents are inop. The vehicle has eatc/ auto temp control, I have limited resources for the diagnosis of this vehicle, but I found some similar complaints on the web and something about relearning the mo...
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1997 Oldsmobile Aurora 4.0L No Start, hard start VIN: 1G3GR62CXV
after a cold soak, overnight mostly, car will start hard, give a lil shot of starting juice and it will pop right off, otherwise you have to crank for a long period of time before it will catch, and after it does is stumbles for 2-4 seconds. tested coolant t...
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick Skylark Custom 3.1L TCC, starts in second gear VIN: 1G4NJ52M9V
I got nine replies. some got close .others told me to check things I said I had already checked,but one reply from Les [...] telling me to check an article from Motor Magazine,Oct. 2002 hit it exactly on the head, it was the trapping diode on the air conditio...
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1992 Chevrolet Corvette 5.7L No Start VIN: 1G1YY23P7N
This car is still hauting me.The customer okay me to replace distributor with oem part but didnt help. Rechecked grounds and power to both ecm and ccm and checks okay.Ohmed injectors when hot ohmed out okay.Replaced ignition switch no change.Tried new ecm no ...
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2003 GMC Envoy SLT 4.2L MIL Lamp on VIN: 1GKDT13SX3
Thanks to all the guys who replied to my request. But at this time, customer is not going to go ahead with fixing problem due to not having any other problems with the IPC. The rsplies were helpful in telling me that there could be other issues wrong with this... Trouble codes: P0128, U1000 (No state of health from module).
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