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Re: 02 heater monitor on 1998 Ford Expedition
Posted to Technical Discussion Forum on 1/15/2008 4 Replies

It should have O2 monitors. On most Fords, if you clear KAM and do a drive cycle without shutting the ignition off once you do the KAM reset, the monitors will run faster. O2 heater and EVAP take the most effort to run.

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