P1440
Purge Valve Stuck Open
P1440 is an OBD-II diagnostic trouble code meaning: Purge Valve Stuck Open. Common causes: stuck evap purge valve, open or short circuit in valve control circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Unstable engine idling
- The smell of gasoline in or around the car
- Problems starting the engine
Causes
- Stuck EVAP purge valve
- Open or short circuit in valve control circuit
- Damaged valve wiring harness
- Engine control unit malfunction
- Mechanical damage to the valve
How to Fix
- Check the purge valve control circuit for opens and shorts
- Test valve coil resistance
- Check the operation of the purge valve using a scanner or applying voltage
- Replace faulty purge valve
- Clear error codes and check if the fault returns
Related codes
Error P1440 by Vehicle Brand
FAQ
What does the P1440 code mean?
P1440 is an OBD-II diagnostic trouble code that indicates: Purge Valve Stuck Open
What causes a P1440 error code?
The most common causes of P1440 include: Stuck EVAP purge valve; Open or short circuit in valve control circuit; Damaged valve wiring harness; Engine control unit malfunction.
How do I fix a P1440 diagnostic trouble code?
To fix P1440: Check the purge valve control circuit for opens and shorts. Test valve coil resistance. Check the operation of the purge valve using a scanner or applying voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1440?
Yes, but get it checked soon
How much does it cost to fix P1440?
The estimated repair cost for P1440 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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