OBD Guide

P02A0

Cylinder 2 - Injector Restricted

P02A0 is an OBD-II diagnostic trouble code meaning: Cylinder 2 - Injector Restricted. Common causes: dirty or clogged nozzle, nozzle wear. Estimated repair cost: $56–167.

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

Symptoms

  • Misfire in cylinder 2
  • Unstable idle
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Dirty or clogged nozzle
  • Nozzle wear
  • Electrical connection problems (harness, connector)
  • Malfunction of the injector driver in the ECU

How to Fix

  1. Check injector electrical connections and wiring harness
  2. Test injector resistance
  3. Clean or replace cylinder 2 injector
  4. Check the operation of the injector driver in the ECU

Related codes

Error P02A0 by Vehicle Brand

FAQ

What does the P02A0 code mean?

P02A0 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 - Injector Restricted

What causes a P02A0 error code?

The most common causes of P02A0 include: Dirty or clogged nozzle; Nozzle wear; Electrical connection problems (harness, connector); Malfunction of the injector driver in the ECU.

How do I fix a P02A0 diagnostic trouble code?

To fix P02A0: Check injector electrical connections and wiring harness. Test injector resistance. Clean or replace cylinder 2 injector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02A0?

Limited driving only, diagnose soon

How much does it cost to fix P02A0?

The estimated repair cost for P02A0 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat