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Prev Professional Automotive Repair Technical Discussions for May 3, 2009
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Open Help Requests for GM
Help Request Answers
1995 Buick Riviera 3.8L Mechanical VIN: 1G4GP2216S
Car was running great then motor sized-up. We are now looking for a used motor. My question is will a standard 3.8 long block do the job. A parts check list only a cam and gasket differences. I have a hard time thinking this is all that is different in the two...
1995 Chevrolet Lumina APV 3.8L Mechanical VIN: 1GNDU06L5S
This is my own vehicle, old 3800 Buick engine. When cold started I get a lot of lifter noise, ie. the oil is draining back down. I am assuming it is leaving the pump somewhat dry. Start vehicle and it will rattle for about 5-10 seconds, oil light goes off and ...
2005 Chevrolet Impala 3.4L TempGauge/ECM VIN: 2G1WF52FX5
The fans work correctly, all fuses are good, waterpump, thermostat and ECT sensor have been replaced. ECM thinks engine is OVERTEMP as soon as the engine is started and goes into Limp Mode even though engine has NOT run long to get HOT. It is as if the engine ...
1998 GMC Savana 3500 5.7L Cuts out VIN: 1GCHG35RXW
There is no problem found anywhere but this van continues to miss at cruise only. It's the second GM truck i've had with this problem and am unable to find the problem. Everything I can think of that would cause a stumbling at cruise I've replaced. thank you.

Fixes & Summaries for GM
Fix/Summary Answers
2001 Oldsmobile Alero GX 2.4L MIL Lamp on VIN: 1G3NK52T81
Thanks to all tha responded. Sorry for the long post but this code took 300 miles to set.This car is still not fixed. The code is p0440, which states that the system is unable to pull the evap system in vacuum,to test the system. The evap purge valve is at int... Trouble codes: P0440.
1998 Pontiac Sunfire GT 2.4L Poor Idle Quality, Stall VIN: 1G2JD12T1W
Hi, thanks for all the input, I knew it was related to the AIC, if I started the car then quickly disconnected the AIC before it stalled it would idle all day long. I looked at all your suggestions and decided to start by checking the wiring from the PCM to IA... Trouble codes: P0506 (idle air control).
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