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Rick

Rick 1/7/2013

2002 Ford F-150 XL 8 Cyl 5.4L

Engine

P0403 code what is it?

Won't pass pa. Emissions

1 Answer


CVO

CVO 1/7/2013

Trouble Code: P0403

EGR Solenoid Circuit Malfunction (ESM System)

Possible Causes:

EGR solenoid connector is damaged, loose or shorted
EGR solenoid control circuit is open, or shorted to ground
EGR solenoid power circuit is open (check power to relay)
EGR solenoid is damaged or the PCM has failed.

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