OBD Guide

P02A9

Cylinder 4 - Injector Leaking

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

Symptoms

  • Misfire in cylinder 4
  • Increased fuel consumption
  • Unstable engine idling
  • Smell of gasoline from the engine compartment

Causes

  • Worn injector seals
  • Mechanical damage to the injector
  • Nozzle contamination
  • Problems with the electrical connection of the injector

How to Fix

  1. Check the condition of the injector of the 4th cylinder
  2. Replace injector seals if necessary
  3. Clean or replace the injector
  4. Check the electrical connection of the injector
  5. Reset the error and take a test drive

Related codes

Error P02A9 by Vehicle Brand