OBD Guide

P02A5

Cylinder 3 - Injector Leaking

P02A5 is an OBD-II diagnostic trouble code meaning: Cylinder 3 - Injector Leaking. Common causes: worn injector o-rings, mechanical damage to the injector. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine idling
  • Power reduction
  • Increased fuel consumption
  • Misfire in cylinder 3
  • Smell of fuel from the exhaust system

Causes

  • Worn injector o-rings
  • Mechanical damage to the injector
  • Nozzle contamination or coking
  • Injector control circuit malfunction
  • Fuel pressure problems

How to Fix

  1. Diagnostics of an injector on a stand for leak testing
  2. Replacing injector O-rings
  3. Clean or replace the nozzle if necessary
  4. Checking the injector control electrical circuit
  5. Checking the fuel pressure in the system
  6. Resetting the error and checking engine operation after repair

Related codes

Error P02A5 by Vehicle Brand

FAQ

What does the P02A5 code mean?

P02A5 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 - Injector Leaking

What causes a P02A5 error code?

The most common causes of P02A5 include: Worn injector o-rings; Mechanical damage to the injector; Nozzle contamination or coking; Injector control circuit malfunction.

How do I fix a P02A5 diagnostic trouble code?

To fix P02A5: Diagnostics of an injector on a stand for leak testing. Replacing injector O-rings. Clean or replace the nozzle if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02A5?

Limited driving only, diagnose soon

How much does it cost to fix P02A5?

The estimated repair cost for P02A5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat