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Prev Professional Automotive Repair Technical Discussions for May 9, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1971 Chevrolet Corvette 454CID starter,flywheel VIN: 194371S117
This 71 Vette presents with the complaint of repeated starter failures, he has had stock rebuilds, speed shop hi-torque etc. replacements. I disconnected the battery and manually powered up the solenoid to engage the starter pinion into the flywheel ring gear....
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2000 Chevrolet Cavalier 2.2L loc VIN: 89DDSPM110
radio always on loc tried factory reset and doesnt work. pulled fuse for radio and dome light ,radio works for a second then goes to loc
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2000 Chevrolet C2500 5.7L Poor Idle Quality, Cuts out VIN: 1GBGC24R5Y
After replacing the cylinder heads on this truck it will not run properly. misfire data shows miss on cylinders #1 and #2. There is a misfire (at idle) of less than 50 on #1 and around 180 on #2 cylinder. When rpm is increased to about 2000 rpm #1 cylinder goe...
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2003 Chevrolet Trailblazer LS 4.2L Brake System Entirely VIN: 1GNET16S50
My Sister Inlaw decided to be a Mechanic,And refill Master Cylinder,But she used PS Fluid,So needless to say My Brother asked me to help. I can't find the ABS Control Module on the Vehicle,Haven't done one of these as yet,But I do know I will need to Change an...
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2006 Chevrolet c8500 8.1L Misfire, MIL Lamp on VIN: 1GBM8C1GX6
this truck is a propane delivery truck that was converted to run on propane. this truck came in yesterday with p0200 (injector control circuit) set. we cleared the codes, and let him drive it, because he had deliveries to make. he brought it back in today, bec... Trouble codes: P0200
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2000 Oldsmobile Alero GL 3.4L Poor Idle Quality VIN: 1G3NL12E4Y
After sitting for hours the engine will idle very high. The idle will rev up to between 2200 and 3000 RPM and stay there. The TPS voltage is steady at .65V at idle whether the problem is occuring or not. If the key is cycled off and restarted, the idle will re... Trouble codes: P0122
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Fixes & Summaries for GM
Fix/Summary Answers
1993 Cadillac Fleetwood 5.7L Starting VIN: 1G6DW5272P
Customer wanted his car to start and was willing to give up the VATS. So I had the option to program the PCM/ECM to remove anti-theft or use a bypass module. I decided on the bypass module which generates the frequency signal normally sent from the CCM to th...
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2007 Cadillac SRX 3.6L tpms VIN: 1GYEE637X7
Thanks for the speedy response. I have not been able to resolve the reset problem at this time. The customer has not been able to return due to business issues. When he has time he'll bring it back, I hope to post a repair at that time. Thanks for taking time ...
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1999 Chevrolet Cavalier 2.2L A/c vent temp at Idle VIN: 1G1JC5240X
Thanks to all that posted, as of now the customer has declined to go further with the repair. Many of you had suggested the condenser fan as a cause of trouble and I had neglected to mention in my original post that it was operation properly. In my past experi...
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2000 Chevrolet Silverado 1500 5.3L brake lights VIN: 2GCEC19TOY
ok this is fixed, thanks to all who replied. problem was the junction block at rear of truck behind bumper.as always IATN to the rescue.
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2000 Chevrolet Astro 4.3L No Start VIN: 1GCDM19W3Y
Thank you everyone that helped me solve the problem. I just replaced the ignition cap and rotor and cleaned the spark plug. The car started up. Again, thank you everyone for your time!
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2006 Hummer H3 3.5L MIL Lamp on VIN: 5GTDN13696
It happens sometimes, when you do all possible tests and dont know what is really happening and after long testing time without finding any culprit... its very simple GO TO THE BASIS AGAIN, most of the times you have skipped something or simply has not take in... Trouble codes: P0171 (System too lean Bank1).
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2000 Pontiac Sunfire SE 2.2L front end VIN: 1G2JB5243Y
Thanks to all 12 that replied. First, many replied to check the sway bar links and frame mounts. This car DOES NOT have a sway bar! When my son brought this to my attention I had to look for myself! We could not find any play in tie rods, or anything else and ...
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