P1665
EVAP Vent Solenoid Control Circuit Conditions
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Increase in harmful emissions
- Unstable engine idling
- The smell of gasoline in or around the car
Causes
- Open or short circuit in the purge valve control circuit
- Purge solenoid valve malfunction
- Relay or fuse problems
- Corroded contacts or damaged wiring harness
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of fuses and relays
- Check the resistance of the purge valve
- Inspect the wiring harness for damage
- Check control circuit voltage
- If necessary, replace the EVAP purge valve