P0451 Renault 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 Renault 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.
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