P1457
Unable To Pull Vacuum In Tank
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- The smell of gasoline in or around the car
- Unstable engine idling
- Dips during acceleration
Causes
- EVAP system leak
- EVAP purge valve malfunction
- Clogged or damaged carbon adsorber
- Damage to the fuel tank or cap
- Fuel tank pressure sensor malfunction
How to Fix
- Check the tightness of the fuel tank cap
- Inspect the EVAP system for leaks
- Check the functionality of the EVAP purge valve
- Diagnose a carbon adsorber
- Check the fuel tank pressure sensor