P2DDB

EVAP System Leak Detection Pump Stuck On

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
The smell of gasoline in or around the car
Dips during acceleration
Unstable engine idling

Causes

EVAP leak detection pump stuck
Problems with electrical wiring to the pump
Pump relay fault
Pump dirty or damaged
Problems with the engine control unit

How to Fix

Check the condition of the EVAP leak detection pump
Check the integrity of the wiring harness to the pump
Check the operation of the pump relay
Clean or replace leak detection pump
Check and, if necessary, update the ECU software

Related codes

P0440 P0442 P0455 P0456