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Problematic Data from O2 Sensor Voltage and Fuel Trims

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here Problematic Data from O2 Sensor Voltage and Fuel Trims

This topic contains 0 replies, has 1 voice, and was last updated by Seth Seth 9 months, 1 week ago.

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  • #986804
    Seth
    Seth
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    I recently purchased a 2011 Honda Accord 2.4 from a family member for an extremely cheap price. It only has 20K miles, but it sat for months at a time and was only driven a few times a year. As a result, I have had multiple small, but still extremely annoying issues. I want to tackle this one before anything else. I have attached some screen grabs of live data. The car runs pretty rough. When it idles, there is a very noticeable vibration, acceleration feels lumpy, and the transmission shifts very roughly, presumably because the engine just faceplants every time it shifts. Some direction or things to check would be amazing. Thanks

    Data while idling:

    Screenshot-20201019-055510

    Data while cruising at 40 mph around 1800 RPM:

    Screenshot-20201020-110530
    Screenshot-20201021-044552

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