Fuel Tank Pressure Sensor Range/Performance

Table of contents

P0451 ACURA 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)

How do I fix code P0451 ACURA?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the P0451 ACURA code

  The cost of diagnosing the P0451 ACURA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected

  An improper voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM).

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0451 ACURA 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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