OBD Guide

P02D3

Cylinder 4 Fuel Injector A Offset Learning At Max Limit

P02D3 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Fuel Injector A Offset Learning At Max Limit. Common causes: worn injector of cylinder 4, nozzle contamination. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Uneven engine operation
  • Increased fuel consumption
  • Misfire in cylinder 4
  • Reduced engine power

Causes

  • Worn injector of cylinder 4
  • Nozzle contamination
  • Problems in the injector electrical circuit
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the condition of the cylinder 4 injector
  2. Clean or replace the injector
  3. Check the injector electrical circuit
  4. Check the operation of the engine control unit (ECU)

Related codes

Error P02D3 by Vehicle Brand

FAQ

What does the P02D3 code mean?

P02D3 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Fuel Injector A Offset Learning At Max Limit

What causes a P02D3 error code?

The most common causes of P02D3 include: Worn injector of cylinder 4; Nozzle contamination; Problems in the injector electrical circuit; Engine control unit (ECU) malfunction.

How do I fix a P02D3 diagnostic trouble code?

To fix P02D3: Check the condition of the cylinder 4 injector. Clean or replace the injector. Check the injector electrical circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02D3?

Limited driving only, diagnose soon

How much does it cost to fix P02D3?

The estimated repair cost for P02D3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat