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Re: Bad plug = neg LT trim?
Posted to Technical Theory Forum on 7/18/2011 1 Reply

Hi Wycliff,

Do you have access to a labscope that can check the O2 sensor waveform?

One thing I have seen with "drippy" or overfueling injectors is that the O2 sensor waveform tends to "wander". It's hard to describe, but if you've seen what an O2 sensor w... Login to read more.

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