P1450
Unable To Bleed Up Fuel Tank Vacuum
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- The smell of gasoline in or around the car
- Problems starting the engine
- Unstable engine idling
Causes
- EVAP system leak
- EVAP purge valve malfunction
- Clogged or damaged vacuum lines
- Fuel tank pressure sensor malfunction
- Problems with fuel tank sealing
How to Fix
- Check the system for leaks using a smoke machine
- Check the operation of the EVAP purge valve
- Inspect vacuum lines for damage or blockages
- Check the tightness of the fuel tank and cap
- Check the fuel tank pressure sensor