OBD Guide

P0202

Cylinder 2 Injector A Circuit

P0202 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Injector A Circuit. Common causes: open or short circuit in the injector wiring harness, cylinder 2 injector malfunction. 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 engine operation
  • Power reduction
  • Increased fuel consumption

Causes

  • Open or short circuit in the injector wiring harness
  • Cylinder 2 injector malfunction
  • Poor contact in the injector connector
  • ECU malfunction

How to Fix

  1. Check the injector wiring harness for opens and shorts
  2. Check the resistance of the injector of cylinder 2
  3. Clean or replace the injector connector
  4. If necessary, replace the injector
  5. Check the operation of the computer

Related codes

Error P0202 by Vehicle Brand

FAQ

What does the P0202 code mean?

P0202 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Injector A Circuit

What causes a P0202 error code?

The most common causes of P0202 include: Open or short circuit in the injector wiring harness; Cylinder 2 injector malfunction; Poor contact in the injector connector; ECU malfunction.

How do I fix a P0202 diagnostic trouble code?

To fix P0202: Check the injector wiring harness for opens and shorts. Check the resistance of the injector of cylinder 2. Clean or replace the injector connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0202?

Limited driving only, diagnose soon

How much does it cost to fix P0202?

The estimated repair cost for P0202 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat