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Incorrect Timing Causing Reversed Fuel Trims?
Posted to Technical Theory Forum on 7/31/2018 13 Replies

Paul Danner has a video in which he shows a car with reversed O2 sensors causing reversed fuel trims, i.e. one bank is full rich while the second bank is full lean:

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In this video he mentions that he's also seen a similar problem caused by inc... Login to read more.

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