OBD Guide

P268A

Fuel Injector Calibration Not Learned/Programmed

P268A is an OBD-II diagnostic trouble code meaning: Fuel Injector Calibration Not Learned/Programmed. Common causes: malfunction of fuel injectors, problems with the injector wiring harness. Estimated repair cost: $33–167.

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

Symptoms

  • Unstable engine idling
  • Increased fuel consumption
  • Loss of engine power
  • Check Engine light comes on
  • Misfires

Causes

  • Malfunction of fuel injectors
  • Problems with the injector wiring harness
  • Oxidized or damaged connectors
  • Failures in ECU software
  • The learning procedure was not completed after replacing the injectors

How to Fix

  1. Check the condition of the fuel injectors
  2. Inspect the wiring harness and injector connectors
  3. Reset errors and carry out injector training procedure
  4. Update ECU software if necessary
  5. If faulty, replace injectors

Related codes

Error P268A by Vehicle Brand

FAQ

What does the P268A code mean?

P268A is an OBD-II diagnostic trouble code that indicates: Fuel Injector Calibration Not Learned/Programmed

What causes a P268A error code?

The most common causes of P268A include: Malfunction of fuel injectors; Problems with the injector wiring harness; Oxidized or damaged connectors; Failures in ECU software.

How do I fix a P268A diagnostic trouble code?

To fix P268A: Check the condition of the fuel injectors. Inspect the wiring harness and injector connectors. Reset errors and carry out injector training procedure. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P268A?

Limited driving only, diagnose soon

How much does it cost to fix P268A?

The estimated repair cost for P268A is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat