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Re: O2 sensor heater operation and TWC testing.
Posted to Technical Theory Forum on 12/7/2000 2 Replies

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Phil,

You are looking at normal operation of the O2 heater. The 2000 MY Taurus uses an NTK Fast Light Off (FLO) O2 sensor. This sensor has an "oversize" heater that allows the sensor to warm up quic... Login to read more.

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