OBD Guide

P02D1

Cylinder 3 Fuel Injector A Offset Learning At Max Limit

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$44–333 (est.)

Symptoms

  • Rough engine operation and vibration
  • Misfire in cylinder 3
  • Increased fuel consumption
  • Black or white smoke (diesel engine)
  • Check Engine Light Illuminates

Causes

  • Wear of the injector nozzle of cylinder 3
  • Nozzle clogged with deposits
  • Injector return spring degradation
  • Low fuel pressure on this cylinder
  • Contaminated fuel with high sulfur content

How to Fix

  1. Read codes and record injector adaptation data
  2. Carry out ultrasonic cleaning of the injector of cylinder 3
  3. Check the fuel pressure in the rail
  4. Check the fuel condition and replace the filter
  5. After cleaning, reset adaptation and re-learn
  6. If the code occurs again, replace the injector of cylinder 3

Related codes

Error P02D1 by Vehicle Brand