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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 28, 2014
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Open Help Requests for GM
Help Request Answers
2010 Chevrolet Express 3500 6.0L no heat VIN: 1GB6G3BG6A
replaced heater core due to leakage, cannot get proper heat from front heater unless its inside the shop, aux heater has great heat all the time, replaced t-stat, installed winter front, vacuum bled system twice, still no improvement, both heater hoses are hot...
2003 GMC Yukon XL 1500 Denali 6.0L Cuts out, MIL Lamp on VIN: 1GKFK66UX3
p1516 is the only fault in the pcm. I can drive this car all day and it will run fine, but randomly it will go into reduced power mode while cruising down the road at 30/40mph, I had it do it while taking off from a stop once too, it seems to be random. I rep... Trouble codes: 1516 (Acc pedal position and throttle posistion dont agree)
2009 Pontiac Torrent 3.4L codes not clearing VIN: 2CKDL33F09
This Torrent came in a week ago with more than the listed codes, O2 sensor heaters, A/C circuit, and Fan circuit. The customer could not leave at that time. Got it back today. P0443, and p0449 are the only codes still stored. The customer said the light came o... Trouble codes: P0443, P0449

Fixes & Summaries for GM
Fix/Summary Answers
2007 Chevrolet Impala LT 3.9L MIL Lamp on VIN: 2G1WS58R87
It was a new OEM faulty cam actuater,we finally removed the magnet assembly from the timing cover and ran the engine with the magnet off,we actuated the spool valve manually and it would not release fully out,Installed another OEM actuater and all was correcte... Trouble codes: P0016.
2009 Chevrolet Malibu LT 3.6L 5th gear VIN: 1G1ZJ57799
Turns out the TEHCM was at fault. During the O/H I OHMS tested the solenoids and they were all in spec. However, there was no line pressure rise in reverse. After double checking everything mechanical. I replaced the rest of the wave plates as was pointed ...
1999 GMC Savana 3500 5.7L misfire VIN: 1GTHG35R7X
Hi everybody. Thanks for your help and advice in solving the problem with this truck. The owner finally confessed that he has been driving with this misfiring for a long time. but this time his concern was the smell of unburned fuel. this put us on alert to ma...
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