OBD Guide

P02F5

Cylinder 8 Injector Circuit Range/Performance

P02F5 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Injector Circuit Range/Performance. Common causes: malfunction of the injector of the 8th cylinder, open or short circuit in wiring harness. 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 8
  • Unstable idle
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Malfunction of the injector of the 8th cylinder
  • Open or short circuit in wiring harness
  • Poor contact in the injector connector
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the resistance of the injector of the 8th cylinder
  2. Inspect the wiring harness and connectors for damage
  3. Check the voltage in the injector circuit
  4. Replace the injector if a malfunction is detected
  5. Test engine operation after repair

Related codes

Error P02F5 by Vehicle Brand

FAQ

What does the P02F5 code mean?

P02F5 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Injector Circuit Range/Performance

What causes a P02F5 error code?

The most common causes of P02F5 include: Malfunction of the injector of the 8th cylinder; Open or short circuit in wiring harness; Poor contact in the injector connector; Engine control unit (ECU) malfunction.

How do I fix a P02F5 diagnostic trouble code?

To fix P02F5: Check the resistance of the injector of the 8th cylinder. Inspect the wiring harness and connectors for damage. Check the voltage in the injector circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02F5?

Limited driving only, diagnose soon

How much does it cost to fix P02F5?

The estimated repair cost for P02F5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat