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Re: O2 sensors what realy makes them switch rich to lean???
Posted to Technical Theory Forum on 1/6/2001 2 Replies

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Robert,

In relation to at what point an O2 sensor will switch rich to lean, and vice versa, I was involved with some testing of a Bosch 4 wire sensor used in the hand held Air/Fuel Ratio testers ava... Login to read more.

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