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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 10, 2013
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Open Help Requests for GM
Help Request Answers
2007 Cadillac Escalade 6.2L Poor Idle Quality VIN: 1GYFK63807
hi guys need some help i have this cadillac escalade 2007 the problem it the truck giving a code p0121 tps problem so i change the throttle body with a gm part i try to relearn the idle with the snapon scanner the idle some times ok if i give it gas the idle s...
2000 Chevrolet Silverado 1500 5.3L 4wd VIN: 1GCEK19T1Y
Customer complaint 4WD not working & Service 4WD light on. I scanned system using my brick only to find no codes. When you first turn the key on you should see all the lights on the switch come on and they don't. I ckd the 3 fuses associated with the system an...
2005 Chevrolet Colorado Z85 LS 3.5L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GCCS13685
I been having this problem with this truck ( my personal vehicle ) , it started with that dreaded message i the instrument panel "power engine reduced , traction fault " and the CEL coming on and as you guys may know once that shows up the truck wont accelarat... Trouble codes: P060E, P2135
2002 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B42
throws lean codes both banks, however fuel trim is running negative on long and short term in freeze frame . live data fuel trim is around zero ,back and forth,pos-negative Trouble codes: P0171, P0174

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Escalade 6.0L Ebctm VIN: 1GYEK63N82
FINALLY! This nightmare is history. The "new" preowned EBCM had a bad MPA switch. A couple thing complicated this diagnosis, one being cannot always trust the readings on a Genysis scanner when it says "charged" full time even though it should have stated "...
2004 Chevrolet Corvette Z06 5.7L Clutch VIN: 1G1YY12S64
Ok, I'm calling this one fixed. We had the car here for 2 weeks...no problems. Thanks to Steve in Florida, we installed the Lingenfelter spring kit and let it go. I think it was lack of use. The pedal had lots of powder around the pivot points.
2009 Chevrolet Tahoe LT 5.3L Hesitation, MIL Lamp on VIN: 1GNFK23019
Sorry took me so [...] to close it out but my boss give it back to the owner he said he'll take it to the dealer. that was monday, so I didnt get to do some of the test that you guys have sugested. by the way we have 2 scanners and showed same codes. also the p...
2009 Chevrolet Impala LS 3.5L alt.
going to close this so i don't forget thanks to ya'll was just trying to get a better understanding wanted to make sure that i didn't screw up called customer today and all is well. thank you again.
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