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po 401


butch h
06-05-2011, 12:53 PM
'96 Explorer W/4.0 auto. CEL- insufficient EGR flow. As this is a new problem with this vehicle, what is the most likely repair scenario?

Thanks! Butch

way2old
06-05-2011, 03:05 PM
Most likely it is either the DPFE sensor or carbon built up in the intake under the valve.

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