OBD Guide

P22E6

Cylinder 4 Alternative Fuel Injector Control Circuit Low

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

Symptoms

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

Causes

  • Malfunction of the alternative fuel injector of cylinder 4
  • Open or short circuit in the injector control circuit
  • Poor contact in the injector connector
  • Engine control unit (ECU) malfunction
  • Wiring Harness Problems

How to Fix

  1. Check the condition of the cylinder 4 injector
  2. Check the integrity of the injector control circuit
  3. Check connections and connectors
  4. If necessary, replace the injector
  5. Check ECU operation

Related codes

Error P22E6 by Vehicle Brand