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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 22, 2025
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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2011 Audi Q5 Premium 2.0L Engine VIN: WA1CFAFP3B
This Audi has a noticeable vibration but only at idle and only in drive. As soon as you give it gas to drive, the vibration is gone. One of the old engine mounts was partially broken and collapsed. Changing the mounts did not change the vibration at all. T...
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2015 Ford F-150 XLT 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy VIN: 1FTEX1CP7F
Runs very rich, had no upstream O2 response. replaced O2 sensors, got response then started running Very rich again. Checked all sensors, within range except fuel trims would not change, even after introducing large vacuum leak. Trouble codes: P0131, P0151, P0C2A, P2196, P2198
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2016 Toyota 4Runner SR5 4.0L No Start VIN: JTEZU5JR3G
I have the Code U100 multiple times. I have no check engine light, and I can't communicate with the PCM or the TCM. I have tried unplugging multiple sensors and have checked for the 5-volt reference, and I do have it. I have used two different scanners wit... Trouble codes: U0100
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