P24C0

EVAP System Leak Detection Pump Switching Valve Stuck On

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Increased fuel consumption
Unstable engine idling
Failed emissions tests
The smell of fuel in or around the car

Causes

Stuck leak detection pump valve
Open or short circuit in valve control circuit
Valve wiring problems
Engine control unit malfunction
Mechanical damage to the valve

How to Fix

Check the condition of the leak detection pump valve
Check the valve control circuit for opens and short circuits.
Check valve resistance
Replace faulty valve if necessary
Clear error memory and check if code is returned

Related codes

P0440 P0442 P0455 P0456