OBD Guide

P22F4

Cylinder 7 Alternative Fuel Injector Control Circuit Range/Performance

P22F4 is an OBD-II diagnostic trouble code meaning: Cylinder 7 Alternative Fuel Injector Control Circuit Range/Performance. Common causes: malfunction of the alternative fuel injector of cylinder 7, open or short circuit in the injector control circuit. Estimated repair cost: $33–167.

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

Symptoms

  • Uneven engine operation
  • Increased fuel consumption
  • Misfire in cylinder 7
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • Malfunction of the alternative fuel injector of cylinder 7
  • Open or short circuit in the injector control circuit
  • Poor contact in the injector connector
  • Problems with the engine control unit
  • Wiring harness fault

How to Fix

  1. Check the resistance of the injector of cylinder 7
  2. Inspect the injector connector and wiring
  3. Check voltage on control circuit
  4. If necessary, replace the injector
  5. Check the operation of the engine control unit

Related codes

Error P22F4 by Vehicle Brand

FAQ

What does the P22F4 code mean?

P22F4 is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Alternative Fuel Injector Control Circuit Range/Performance

What causes a P22F4 error code?

The most common causes of P22F4 include: Malfunction of the alternative fuel injector of cylinder 7; Open or short circuit in the injector control circuit; Poor contact in the injector connector; Problems with the engine control unit.

How do I fix a P22F4 diagnostic trouble code?

To fix P22F4: Check the resistance of the injector of cylinder 7. Inspect the injector connector and wiring. Check voltage on control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22F4?

Yes, but get it checked soon

How much does it cost to fix P22F4?

The estimated repair cost for P22F4 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat