P0451 ISUZU – Fuel Tank Pressure Sensor Range/Performance

 

P0451: DIY Repairing Video Tutorial

https://youtu.be/Kj7MQbCh4UA

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0451 ISUZU Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light)  

P0451 ISUZU 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)  

P0451 ISUZU 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.