P0451 Mercedes-Benz 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 Mercedes-Benz 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.
Mercedes-Benz Vehicle:Mercedes-Benz C-Class,Mercedes-Benz CL-Class,Mercedes-Benz CLK-Class,Mercedes-Benz CLS-Class,Mercedes-Benz E-Class,Mercedes-Benz G-Class,Mercedes-Benz GL-Class,Mercedes-Benz GLK-Class,Mercedes-Benz M-Class,Mercedes-Benz R-Class,Mercedes-Benz S-Class,Mercedes-Benz SL-Class,Mercedes-Benz SLK-Class,Mercedes-Benz SLS-Class,Mercedes-Benz Sprinter 2500,Mercedes-Benz Sprinter 3500,