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Prev Professional Automotive Repair Technical Discussions for April 21, 2013
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Open Help Requests for GM
Help Request Answers
2002 Buick Park Avenue 3.8L oil press.indicator VIN: 1G4CW54K32
This is my own vehicle. As stated,oil pressure indication on Driver Inf. Center reads high always when running. Reads 0 when not running. When running,oil press. reading on DIC is always 129psi. Oil press.warning light shows normal operation. Had always worked...
2002 Chevrolet Silverado 1500 5.3L radio VIN: 2GCEK19T42
this is my truck...not really a problem more of a curiosity...possibly not coming from radio but sometimes while sitting in truck waiting at local department store for wife I can here a fan running that sounds like it is coming from right around radio area hav...
2007 Chevrolet Monte Carlo LS 3.5L battery VIN: 2G1WJ15K97
I removed the car starter, draw is the same. I found if i remove the number three connector from the bcm the draw goes away or u can remove the bcm fuse and the inst\pnl dim fuse and the draw goes away. Those fuses supply power to the number 3 bcm connector. I...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCDT13X93
I ran a new ground wire for the sensor with no change. The very first thing that i looked at was the wires on the new pump harness. They were correct. But found that the new fuel pump was wired wrong from the factory internally. They had the ground for the pu...
2003 Chevrolet Astro 4.3L Hydroboost VIN: 1GNDM19X73
Thanks to all for the responses. Only thing that made sense was debris into the pressure line when he installed pump. Had him get a booster for it (used), and that solved the problem, so must have been something in the line that got into the booster.
2008 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15X18
thanks to all for info, I guess dealer was right just sounded like a pile of you know what to me. Would not believe block heater cord could cause this problem. thanks again.
1999 GMC Savana 3500 5.7L Poor Idle Quality, Cuts out, Stall VIN: 1GDHG31R3X
The one truck I am working on was in the shop and just cut off, didn't have spark, started again in a couple minutes. It did this several times. It ended up being the crank sensor, it scoped good until it wasn't working then was dead. I'm not sure if that is t...
2003 GMC Envoy XL SLT 5.3L Engine VIN: 1GKET16P43
Thanks for the replies (and criticism). Turns out that the cylinder heads (not Castech 706 castings)had become warped due to overheat. I had the heads die penetrate tested and they were without cracks but .030" warped. I checked the block for straightness and ...
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