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Prev Professional Automotive Repair Technical Discussions for May 27, 2007
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Open Help Requests for GM
Help Request Answers
1995 Cadillac Seville STS 4.6L A/C compressor VIN: 1G6KY5291S
The A/C compressor seized up and threw the belt off. I installed a new compressor, accumulator and orfice tube. I also Flushed the system. I vacuumed it down and it held vacuum for 1 hour. I went and tried to charge the system with a charging scale but it woul...
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Hummer H1 6.5L No Start VIN: 137AZ83371
Two of the replies suggested possibly bulb malfunction causing these codes. I could not find any malfunctioning bulbs and they would not cause the engine to not start at times. Henry [...] mentioned a retrofit kit to move the pump module to a location that see... Trouble codes: P1641 (No valid info.), P1643 (Wait to start circuit), P1654 (No valid info.).
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2004 Pontiac Grand Am GT 3.4L security? VIN: 1GCEDJJH14
ignition lock cylinder fixed this car.it cranked every time since i did the initial key relearn.I HAVE JUST NEVER SEEN A PASSLOCK SYSTEM DISABLE THE STARTER. IT HAS ALWAYS DISABLED THE INJECTORS.I REMOVED THE LOCK CYLINDER & ATTEMPTED TO START CAR WITH LOCK CY...
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2004 Pontiac Montana 3.4L High Idle
I am thankful for everyone's help. I recieved replies to check wiring at shift bracket, replace TPS, replace IAC, check battery and cables, and check PCM harness near core support. Unfortunately I did not get to check any of these things as the customer had a ...
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