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Prev Professional Automotive Repair Technical Discussions for March 6, 2014
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Open Help Requests for GM
Help Request Answers
2007 Cadillac Escalade 6.2L Unknown VIN: 1GYFK63827
GM techs, need some help please. Have 6L80 transmission setting code p2723 - clutch pressure control solenoid 5 stuck off. Cleared that code, then code p2714 set pressure control solenoid 4 stuck off. Cleared that code and then set code p0756 shift solenoid 2 ...
1998 Chevrolet Tahoe LS 5.7L ABS Module VIN: 1GNEK13RXW
Hi; another mystery similar to 95 Buick LaSabre data link connector. Customer had ABS light on solid. Scanned for and found codes C0281, C0237, Co223 and C0 222, pulled rf wheel and wss. Ohmed sensor and found resistance was out of specs. Replaced wss with new...
2002 Chevrolet Tahoe LS 5.3L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1GNEK13Z52
this is a truck that im trying help a good freind out on i had to hv shoulder surgery so cant actually look at it. the truck missfires on cyl 3 and 5 and is hard to start wont idle. he removed the exsahust and runns good but the cats dont seem be stopped up so...
2007 Chevrolet Aveo LS 1.6L MIL Lamp on VIN: KL1TD56687
Hi all in IATN land. Thanks for taking time to read this post. Have code #P0131 that turns the MIL on intermittently. Fuel pressure and volume are spot on. have checked for vacuum leak hot and cold. Freeze frame data shows 17* air temp and engine at idle but a... Trouble codes: P0131
2007 Chevrolet Malibu LT 3.5L Mil Lamp VIN: 1G1ZT58N27
Hello iATN techs, Tested per repair information by powering a test light and observing MIL commanded on with scan tool; test light would illuminate as it should (also confirmed that the LED for the MIL was functional). Confirmed PCM ground circuit brn/wht wir...
2007 GMC Acadia SLT 3.6L Misfire, Shutter VIN: 1GKER33787
Hello every one hope your day is going well, the problem seems simple but we all know that is not so in this business, the vehicle symptoms are as such low speed low load misfire/shudder no codes present no misfire displayed on data, any help or previous exper...

Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet Camaro Z28 5.7L Clutch Hydralic System VIN: 2G1FP32GXW
I would like to thank everyone for your replies and help on this one. Indeed there was no longer a hydraulic problem or clutch issue with this vehicle. The customer took the vehicle to a third party to get another opinion, and indeed they agreed there was an...
2006 Chevrolet Colorado LT 2.8L MIL Lamp on VIN: 1GCCS19886
After doing a engine oil flush it still throw the code at start up. I replaced the solenoid and it took 10-15 miles for it to fail but it still did fail. After that the owner did not want to invest in the next step and is driving it that way. It runs great ... Trouble codes: P0017 (CKP - CMP Cam - Crank Correlation).
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire VIN: 1G1AJ15F96
Valve timming was off on this car. Customer could not afford to have it fixed at this time. thanks for the help. Trouble codes: P0300.
1993 GMC K2500 Suburban SLE 7.4L transmission VIN: 1GKGK26N4P
This was a case of "Don't assume it's all caused by one problem". This truck had at least three. There was a body ground under the hood that had been cut (back in harness 12") and moved to the engine. This caused a potential difference to the computer and su...
2004 Pontiac Grand Am GT 3.4L Excessive Emissions, Poor Idle Quality VIN: 1G2NW52E74
Thanks to all, the vehicle was taken from the service dept. and sold as is. I assume it will return with a rich code eventually, but its out of my hands for now.
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