OBD Guide

P2DDB

EVAP System Leak Detection Pump Stuck On

P2DDB is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Stuck On. Common causes: evap leak detection pump stuck, problems with electrical wiring to the pump. Estimated repair cost: $28–89.

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

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

Related codes

Error P2DDB by Vehicle Brand

FAQ

What does the P2DDB code mean?

P2DDB is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Stuck On

What causes a P2DDB error code?

The most common causes of P2DDB include: EVAP leak detection pump stuck; Problems with electrical wiring to the pump; Pump relay fault; Pump dirty or damaged.

How do I fix a P2DDB diagnostic trouble code?

To fix P2DDB: 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. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DDB?

Yes, but get it checked soon

How much does it cost to fix P2DDB?

The estimated repair cost for P2DDB is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat