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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 5, 2014
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Open Help Requests for GM
Help Request Answers
2007 Cadillac CTS 2.8L No Start, MIL Lamp on
Any help this car would be appreciated. This is one of the many repo cars that we receive on a daily basis. Read about unplugging the mass airflow sensor solving this problem. I tried that and it didn't work. Tested all the modules and pinged. All modules are ... Trouble codes: U1192 (VTD lost comm), U1064, U1153 (CCP Lost comm), U1040 (EBCM Lost), P1629 (VDT Fail), P1630 (VDT learn Mode active)
1998 Chevrolet K1500 Cheyenne 5.7L Misfire #2 VIN: 1GCEK19R3W
Vehicle sits a lot. Customer did tuneup. We have checked sperk,switched plugs,compression test, smoke test for vacum leak, injector drop test, all seem ok. Any help would be greatly appreatiated, thanks in advance.

Fixes & Summaries for GM
Fix/Summary Answers
2000 Oldsmobile Alero GL 3.4L No Start VIN: 1G3NL52E5Y
Thanks for the good replies, I had already done most of the tests mentioned. The problem I was having is that I only got it to act up once. What ended up happening is the ignition o circuit was dropping out. if the car was warm it was ok, only the first start ...
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