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  1. andrew_ms3

    Knick in Primary O2 sensor wiring causing erratic AFRs at light acceleration?

    I've put about 500 miles on the new sensor. No I actually haven't reset it. You do that by unplugging the battery for 20 minutes right?
  2. andrew_ms3

    Knick in Primary O2 sensor wiring causing erratic AFRs at light acceleration?

    -20.7 - -20.1 at idle with no ac. Drops to -18 - -16.8 with ac on
  3. andrew_ms3

    Knick in Primary O2 sensor wiring causing erratic AFRs at light acceleration?

    Update: replaced the primary o2 sensor and I'm still having the problem. The car is also now oscillating AFRs at idle from 15.5 - 13.3. I noticed that I don't have an air straightener for my CS intake so could that be it?
  4. andrew_ms3

    Knick in Primary O2 sensor wiring causing erratic AFRs at light acceleration?

    I also started noticing that the engine is really jerky and not smooth while lightly accelerating and coasting in gear till about 2k RPMs. Could this be related to the O2 sensor?
  5. andrew_ms3

    Knick in Primary O2 sensor wiring causing erratic AFRs at light acceleration?

    Thanks for that, I'll wrap it up tomorrow with some electrical tape. Funny enough I ended up throwing a P0113 (IAT sensor high voltage) immediately after starting my car up after retightening everything. I cleared the code and it hasn't popped up again. This completely unrelated?
  6. andrew_ms3

    Knick in Primary O2 sensor wiring causing erratic AFRs at light acceleration?

    Hey guys I've been trying to figure out why my AFRs dip to 13.5 and raise to 15.5 during light throttle inputs in 1st-3rd gear. The moments these dips and raises occur are very brief and the AFRs quickly return to 14.7. Part throttle LTFTs are always under +5 and idle LTFTs always under +9...
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