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    P2196 - 004 - Signal too High (Rich) - Intermittent - MIL ON

    Need help figuring out what's causing this fault. Car is a 2007 VW GTI 2.0 FSI DSG with APR Stage 1 tune (was tuned a couple years ago). I replaced the sensor (front) but the fault keeps coming back with P2196 - 004 - Signal too High (Rich) - Intermittent - MIL ON. VCDS Version: Release 15.7.2...
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