What The Sources Say About It
- Ford's leak tests use the fuel tank pressure sensor and the fuel level input along with the vent and purge valves. (source)
- Ford checks the sensor for out of range, noisy and offset readings (P0451 to P0454). (source)
Codes That Point Here
P0450Tank Ventilation Pressure SensorP0451Fuel Tank Pressure Sensor Range/performance (offset)P0452Fuel Tank Pressure Sensor Circuit LowP0453Fuel Tank Pressure Sensor Circuit HighP0454Fuel Tank Pressure Sensor Intermittent/erratic (noisy)
What It Costs
Published estimates put a fuel tank pressure sensor at $356 to $457 at RepairPal. See every price row. For a real example of pricing the test before the part, see how we priced a fuel leak diagnosis.
By Anthony Limpert, co-founder of Supercanic in San Jacinto, California, a shop with ASE certified mechanics. Updated November 12, 2026.
Author Source EEAT Authors · Anthony's Author Page
Sources For This Page
- 2009 MY OBD System Operation Summary for Hybrid Electric Vehicles (revised May 22, 2008), Ford Motor Company, read 2026-11-12
- Fuel Tank Pressure Sensor Replacement Cost Estimate, RepairPal, read 2026-11-12