P24C1

EVAP System Leak Detection Pump Switching Valve Performance/Stuck Off

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
Problems passing the toxicity test
The smell of gasoline in the cabin or near the car

Causes

Switch valve stuck
Open or short circuit in control circuit
Leak detection pump malfunction
Wiring Harness Problems
Engine control unit malfunction

How to Fix

Check the valve control circuit for opens and short circuits.
Check the resistance and operation of the switching valve
Replace faulty switch valve
Check the operation of the leak detection pump
Replace leak detection pump if necessary

Related codes

P0440 P0455 P0456