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Prev Professional Automotive Repair Technical Discussions for August 29, 2014
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Open Help Requests for GM
Help Request Answers
1996 Chevrolet Blazer LS 4.3L Hesitation, Surge, MIL Lamp on
This Blazer has a code P1345. When I scanned it it showed the timing advanced 29 degrees. I tried resetting the distributor one tooth and next time I checked the timing it was 30 degrees retarded. I checked it exactly how it should be, at higher rpm, just like... Trouble codes: P1345 (Camshaft/Crankshaft Correlation)
2007 Chevrolet Express 2500 4.8L shift VIN: 1GCGG25V87
Van came in with reverse gone and slips in drive. We tore down tranny and direct clutches were smoked. we replaced all the bushings and installed new boost valve. we checked valve body for cracks and found none. We also checked the two problem check balls in v...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Park Avenue 3.8L Turn Signal/Hazard VIN: 1G4CW52K8X
so i replaced the flasher unit. when i plugged the new one in it made the headlights stop working and the radio and hvac display started to blink like they were turn signals. the under hood light started to blink as well with the key on. the radio also stays o...
2004 Buick Rendezvous CX 3.4L Pcm & Tcm VIN: 3G5DB03E44
The customer did not approve service at the time of diagnosis. I checked powers and grounds to the BCM, which were good. Powers and grounds to the PCM also were good. I pulled the "comb" from splice pack connector SP205, which ties all of the communication lin...
1992 Chevrolet Camaro Z28 5.0L Cuts out, Stall VIN: 1G1FP23F6N
Well Thanks to all for the great info. This vehicle is FIXED!!! I'd like to thank all who took the time to help Daniel, Mike, Stan, Charlie, Edmund, Dan, Dan, Tim, Christopher, Seth, Ben, Kim, William, Mark, Charles, Darren, Frank, David and Ilario who hit the...
2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC52F75
well finally got this one fixed, those of you's who said to check the purge flow rate were correct, even though it seemed to be good, enough to make the engine almost stall at idle, with hose from canister to vent valve clamped off I could command purge on ful...
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