P2DDA

EVAP System Leak Detection Pump Performance/Stuck Off

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Increased fuel consumption
Smell of gasoline in the cabin
Unstable engine idling
Errors when checking the EVAP system

Causes

Leak detection pump jammed
Open or short circuit in the pump circuit
Pump relay fault
Wiring Harness Problems
Engine control module malfunction

How to Fix

Check the power supply circuit of the leak detection pump
Check the resistance and operation of the pump
Replace faulty leak detection pump
Check and replace pump relay if necessary
Check the integrity of the wiring harness

Related codes

P0440 P0442 P0455