P0451 Citroen Fuel Tank Pressure Sensor Range/Performance
Possible causes
– Fuel Tank Pressure Sensor
– Fuel Tank Pressure sensor harness is open or shorted
– Fuel Tank Pressure sensor circuit poor electrical connection
– Faulty Engine Control Module (ECM)
– Fuel Tank Pressure sensor harness is open or shorted
– Fuel Tank Pressure sensor circuit poor electrical connection
– Faulty Engine Control Module (ECM)
What about the obd code?
An improper voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM).
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0451 Citroen Description
The Fuel Tank Pressure (FTP) pressure sensor detects pressure in the purge line. The sensor output voltage to the Engine Control Module (ECM) increases as pressure increases.
Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004 Citroen,2003 Citroen,2002 Citroen,2001 Citroen,2000 Citroen,1999 Citroen,1998 Citroen,1997 Citroen,1996 Citroen,