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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 17, 2017
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Open Help Requests for GM
Help Request Answers
2010 Cadillac Escalade EXT 6.2L Mechanical VIN: 3GYVKNEF6A
Just put in a camshaft and lifters do to pitting, caused idle mis. After repair vehicle drove great for about 20 miles. Started to smoke real bad from tailpipe. Burning massive amounts of oil, 1 qt in 25 miles. intake is full of oil. headgasket is on correctly...
1995 Chevrolet S10 2.2L cylinder #4 misfire when hot VIN: 1GCCS1440S
runs good cold- when warmed up or driven, starts misfire on cylinder #4 that can be heard thru exhaust- pulled valve cover- checked pushrods, rocker arms- OK not losing injector pulse or secondary ignition- but only affects cylinder #4 - #1 companion cylinder ...
2000 Chevrolet K3500 7.4L MIL Lamp on VIN: 1GCHK33J1Y
Customer brought vehicle in to have the check engine light looked at and have the broken exhaust manifold bolts repaired. p0401 was stored as well as an egr position code and throttle position sensor code. Found that the EGR valve was inoperable and the tps ha... Trouble codes: P0401
2010 Chevrolet Malibu LT 2.4L communication VIN: 1G1ZC5EB4A
I have no communication between scan tool and obd2 port. I have a solid 12 volts on pin #16 and ground on pins #4 and 5. the car is showing many lights from service traction, service ESC, eng power reduced, and ses light. the car starts but runs rough and some...
2007 GMC Yukon XL 1500 Denali 6.2L Oil Pressure VIN: 1GKFK66857
Hi: We have this vehicle that has low to no oil pressure at the filter and also on scan too. First this vehicle does not have AFM.We removed the oil sending unit to ck for screen plugged it does not use 1 we replaced sending unit anyways still same problem.We ...

Fixes & Summaries for GM
Fix/Summary Answers
2011 GMC Terrain SLT 2.4L MIL Lamp on VIN: 2CTFLXEC6B
thank you for all the responses. ended up being slightly plugged injectors (all 4). fuel trims back to 0. Trouble codes: P0171.
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