P0451 FORD - Evaporative Emission Control System Pressure Sensor Range/Performance
- Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
- Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
2005-2008 Ford Escape
Ford Factory Service Bulletin OBDII Code P0451
The Evaporative Emission System (EVAP) control system pressure sensor detects pressure in the purge line. The sensor output voltage to the Engine Control Module (ECM) increases as pressure increases. The EVAP control system pressure sensor is not used to control the engine system. It is used only for on board diagnosis.
P0451 1998 FORD F150
P0451 1999 FORD F150
P0451 2000 FORD F150
P0451 2001 FORD F150
P0451 2002 FORD F150
P0451 2003 FORD F150
P0451 2006 FORD FUSION
P0451 2007 FORD FUSION
P0451 2008 FORD FUSION
P0451 2009 FORD FUSION
P0451 2010 FORD FUSION
P0451 2011 FORD FUSION
P0451 2012 FORD FUSION
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