Fuel Tank Pressure Sensor Diagnosis

A malfunction in fuel tank pressure sensor, or circuit can set DTCs P0451, P0452 or P0453. For testing procedures and specifications with DTCs P0451, P0452 or P0453 set, see DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - 2.0L TRACKER or SELF-DIAGNOSTICS - 2.5L TRACKER article.