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Re: Duty cycle of O2 sensor heater
Posted to Technical Discussion Forum on 7/22/2011 3 Replies

Ray, here are some captures as promised. The second IDS graph shows the heater turning on at a point about 2-3 minutes into a cold start, short idle, then driving the car. Vehicle speed was about 30 MPH at light load when it turned on.

Screen 1

Screen 2

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