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Prev Professional Automotive Repair Technical Discussions for February 13, 2011
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Open Help Requests for GM
Help Request Answers
1992 Chevrolet K3500 Silverado 7.4L Poor Idle Quality, Surge, Cuts out
This one has me pulling my hair out. Customer was starting vehicle by either kicking or hitting tank with a hammer..Okay, simple, fuel pump,Right? Changed fuel pump (Delphi) starts. Runs good for about 1 min. starts surging. Almost dies. Fuel pressure 16-20psi...
1998 Chevrolet Blazer 4.3L starts and dies VIN: 1GNDT13W5W
This blazer has a steady security light on, even with key out of ignition. Vehicle will start and run for a few seconds,then die. When spraying fuel down throttle, vehicle will run good. Ignition is firing, starting and running. Fuel pump does two second prime...
2004 Chevrolet Impala 3.8L Heater Hose Fitting VIN: 2G1WF55K84
Trying to locate the two steel fittings that adapt the heater hoses to the top of the belt tensioner. They are leaking (rusty & seals rotted). Found this out when we replaced the tensioner. Dealers & parts houses in the area keep sending the lower plastic elbo...
1998 Pontiac Grand Prix GTP 3.8L Transmission VIN: 1G2WP5210W
This should be a simple one for a GM parts guy. I have a customer with a bad trans in his supercharges Pontiac GTP. I also have an Olds Intrigue that has been wreched. My question is can I put the non supercharged trans from the 98 Olds into the 98 supercharge...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Oldsmobile 88 Royale LSS 3.8L No Start, MIL Lamp on VIN: 1G3HY521XS
I really feel stupid about this one. This is the first (in a long time)time a GM car needed a personality key plugged into the OBD-11 connector. I was looking too hard & didn't completely read the tutorial when hooking up the scanner. Found codes po 321 & po13...
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