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DPFE One problem or two?
Posted to Technical Discussion Forum on 10/15/2005 19 Replies

The vehicle is a 1998 Ford Econoline 350 van. with a 5.4L {L} engine. DTC "P1406 DPFE sensor-Down stream hose off or unplugged". The KOER test does not set a P1408 in response.

Grounding the EGR vacuum control solenoid with my DMM in amperage mode stalled th... Login to read more.

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19 Replies Received (View Replies)