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Re: Why would a failed o2 sensor cause no start on 99 Ranger ???
Posted to Technical Discussion Forum on 10/13/2001 5 Replies

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1st off the PCM always recieves power- KAM.

During crank/start mode as I stated, the PCM could care less whether or not the 02's are even present. Have you ever seen a Ford set a Hard O2 DTC during ... Login to read more.

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