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Prev Professional Automotive Repair Technical Discussions for February 26, 2006
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1988 Chevrolet Celebrity 2.8L No Start VIN: 1G1AW19W1J
This vehicle was towed in as a starts and stalls. Fuel pressure was normal with good spark. When vehicle stalls the fuel pressure is still normal. Scan data KOEO shows: inj pulse 18.6, crank rpm 1200, engine rpm 6375, idle rpm 309, battery volts 12.5, 3 gear s...
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1991 Chevrolet Camaro RS 5.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1G1FP23EXM
I am dealing w/ a Camaro that doesn't want to stay fixed. About 6 months ago it developed a lack of power on accel w/ intermittent rough idle. This was accompanied by code 42 for EST. This was repaired w/ replacement of ECM and PROM(both GM parts) and a knock ...
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2000 GMC Jimmy Diamond Edition 4.3L HVAC /ABS Light VIN: 1GKDT13W5Y
About to the end with this one and I'm fishing for ideas. The climate control on this is cycling when system is shut off. Also will shut down and restart in manual operation. When it is acting up the ABS light is also coming on and I lose communication with AB...
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2001 Pontiac Aztek 3.4L body control module VIN: 3G7DA03E41
Hi everyone, Replacing BCM. I need to input the body code to the Tech 2 in order to program BCM. Although it seems too basic, I can't find the info anywhere. Google and iATN archives have been scoured. What is a method or source of obtaining this body code bes...
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2002 Pontiac Grand Am SE 3.4L tcc VIN: 1G2NF52E52
A Toyota dealer sold this car to a customer, then it came back with this problem. Toyota dealer took it to GM dealer and they said it needed the trans replaced. I couldn't find out why they thought that. Toyota dealer then sent it to trans shop to get second o...
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet Lumina 3.1L No Start, Cuts out VIN: 2G1WL52M1V
Thanks to all who replied. Bob and Stephan were right that code 1347 was not the map but the 3x signal, (I had to read up on how this system works, remember, I'm and Import guy). The 3x signal seemed consitant out of the module and at the computer. I also chec... Trouble codes: P1374 (Map sensor).
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2002 Chevrolet Silverado 3500 6.0L Misfire VIN: 1GBJC34U22
this one is fixed. rear fuel tank level sensor had broken fingers and black residue. sensor worked ok after cleaning off residue. remember something in achieves about a gm fuel additve. after got replies i had more understanding of this transfer pump operation... Trouble codes: P0300 (misfire).
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2002 Saturn Vue 3.0L Everything VIN: 5GZCZ63B72
Thanks to everyone who replied. After doing some more investigating, found the intake leaking, found a bulletin from Saturn on that, needed to be retorqued. Found bad crank sensor, replaced and all is good now.
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