Engine Error
P0450
Evaporative Emission System Pressure Sensor/Switch
Severity
Low
Symptoms
Fuel odor, check engine light, difficulty fueling
Common Causes
- Faulty fuel tank pressure sensor
- Damaged or blocked EVAP vacuum lines
- Wiring issue to the pressure sensor
- Defective EVAP canister
How to Fix
- 1 Replace fuel tank pressure sensor
- 2 Clear or replace blocked EVAP lines
- 3 Repair sensor wiring harness
- 4 Replace EVAP charcoal canister
Estimated Repair Cost
USD
$100
–
$500
Pressure sensor: $150 - $350; Canister: $300 - $500