OBD Guide

P22F5

Cylinder 8 Alternative Fuel Injector Control Circuit/Open

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