OBD Guide

P22F5

Cylinder 8 Alternative Fuel Injector Control Circuit/Open

P22F5 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Alternative Fuel Injector Control Circuit/Open. Common causes: open circuit in the injector control circuit, alternate fuel injector malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine operation
  • Misfire in cylinder 8
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Open circuit in the injector control circuit
  • Alternate fuel injector malfunction
  • Problems with the injector connector
  • Engine control unit malfunction
  • Short circuit in wiring harness

How to Fix

  1. Check the integrity of the injector control circuit
  2. Check resistance and operation of the injector
  3. Inspect connectors and contacts for corrosion
  4. Check the control signal from the computer
  5. If necessary, replace the injector or repair the wiring

Related codes

Error P22F5 by Vehicle Brand

FAQ

What does the P22F5 code mean?

P22F5 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Alternative Fuel Injector Control Circuit/Open

What causes a P22F5 error code?

The most common causes of P22F5 include: Open circuit in the injector control circuit; Alternate fuel injector malfunction; Problems with the injector connector; Engine control unit malfunction.

How do I fix a P22F5 diagnostic trouble code?

To fix P22F5: Check the integrity of the injector control circuit. Check resistance and operation of the injector. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22F5?

Limited driving only, diagnose soon

How much does it cost to fix P22F5?

The estimated repair cost for P22F5 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat