OBD Guide

P02AD

Cylinder 5 - Injector Leaking

P02AD is an OBD-II diagnostic trouble code meaning: Cylinder 5 - Injector Leaking. Common causes: worn injector o-rings, nozzle clogged. Estimated repair cost: $56–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–333 (est.)

Symptoms

  • Increased fuel consumption
  • Uneven engine operation
  • Smell of fuel in the engine compartment
  • Diluted motor oil
  • Power dips

Causes

  • Worn injector o-rings
  • Nozzle clogged
  • Failure of the injector control solenoid
  • Mechanical damage to the injector
  • Control wiring problems

How to Fix

  1. Check the tightness of the injector and o-rings
  2. Diagnose injector solenoid resistance and control
  3. Clean or replace the injector
  4. Replace O-rings
  5. Check injector control wiring harness

Related codes

Error P02AD by Vehicle Brand

FAQ

What does the P02AD code mean?

P02AD is an OBD-II diagnostic trouble code that indicates: Cylinder 5 - Injector Leaking

What causes a P02AD error code?

The most common causes of P02AD include: Worn injector o-rings; Nozzle clogged; Failure of the injector control solenoid; Mechanical damage to the injector.

How do I fix a P02AD diagnostic trouble code?

To fix P02AD: Check the tightness of the injector and o-rings. Diagnose injector solenoid resistance and control. Clean or replace the injector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02AD?

Limited driving only, diagnose soon

How much does it cost to fix P02AD?

The estimated repair cost for P02AD is $56–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat