OBD Guide

P22E8

Cylinder 4 Alternative Fuel Injector Control Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine operation
  • Misfire in cylinder 4
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Is On

Causes

  • Open or short circuit in the injector control circuit
  • Alternate fuel injector malfunction
  • Problems with the engine control unit
  • Poor contact in connectors
  • Wiring harness damage

How to Fix

  1. Check the integrity of the injector control circuit
  2. Check injector resistance
  3. Inspect connectors and contacts
  4. Check the control signal from the ECU
  5. If necessary, replace the injector

Related codes

Error P22E8 by Vehicle Brand