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Professional Automotive Repair Technical Discussions for May 27, 2026 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 2014 Cadillac CTS Luxury 3.6L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1G6DD1E33E start car - misfire / backfire / stumble.. As it continues to run it starts to balance out.. car running smooth but find ST fuel trim at 0 and fixed .. LT fuel trim fixed at 40.. Check air box / air filter / intake hose / hoses and tubes on motor = all loo... Trouble codes: P171., P174., P300. |
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| 2016 Cadillac XTS 3.6L 6T70 Transmission VIN: 2G61N5S3XG I have followed the trouble tree and verified ISS/OSS reads OK. I verified 8.76 v at the ISS terminal inside the front cover, removed the ISS Sensor and checked for metal in the fluid as well as the tip of the sensor, no signs of metal anywhere.I changed t... |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
