P1451
EVAP Control System Canister Vent Solenoid Circuit Malfunction
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–78 (est.)
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Difficulty starting the engine
- Unstable engine idling
- Smell of gasoline in the cabin or under the hood
Causes
- Open or short circuit in valve circuit
- Malfunction of the canister ventilation solenoid valve
- Problems with the relay or circuit fuse
- Clogged or faulty adsorber
- Damage to the wiring harness near the valve
How to Fix
- Check valve control circuit fuses and relays
- Check the circuit for open and short circuit
- Check valve coil resistance
- Clean or replace the canister ventilation valve
- Check the EVAP system for leaks