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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 8, 2014
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Suburban 1500 LS 5.3L Misfire, MIL Lamp on VIN: 3GNFK16Z23
Misfire under heavy throttle / engine load. This truck does a lot of towing (enclosed car trailer 6500lbs). If I am towing I will get a flashing check engine light on acceleration over about 3000rpm. Upon upshift or backing off on the throttle lamps goes out a... Trouble codes: P0300 (Multiple cylinder misfire)
2011 Chevrolet Express 3500 6.0L Hydralic system VIN: 1GB3G3BG2B
Any help with this nightmare would be so very helpful to us . We had 8 techs knocking this back and forth for about a week .
2005 GMC Yukon SLE 5.3L Traction Control VIN: 1GKEK13T25
Looking for some guidence on this just cause i have not come across this. The traction control comes in when first starting out like under 15mph or so, but you can drive threw it and it's fine. Checked for codes in all mods. None found grafed wheel speed sen.s...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Express 2500 4.8L 2-3 VIN: 1GCGG29V85
ok guys sorry for posting the fix this late. the problem was in the valve body, the 3-4 valve was stuck, once we pushed back to place everything started working normal. also the transmission temp was high around 218f so we installed a new cooler and temp went ...
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