OBD Guide

P268C

Cylinder 1 Injector Data Incompatible

P268C is an OBD-II diagnostic trouble code meaning: Cylinder 1 Injector Data Incompatible. Common causes: cylinder 1 injector malfunction, damage to the injector wiring harness. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Misfire in cylinder 1
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • Cylinder 1 injector malfunction
  • Damage to the injector wiring harness
  • Poor contact in the injector connector
  • Problems with the engine control unit
  • Mechanical damage to the fuel system

How to Fix

  1. Check the condition of the cylinder 1 injector
  2. Inspect the wiring harness and injector connectors
  3. Test injector resistance
  4. Check fuel pressure
  5. Update ECU firmware if necessary

Related codes

Error P268C by Vehicle Brand

FAQ

What does the P268C code mean?

P268C is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Injector Data Incompatible

What causes a P268C error code?

The most common causes of P268C include: Cylinder 1 injector malfunction; Damage to the injector wiring harness; Poor contact in the injector connector; Problems with the engine control unit.

How do I fix a P268C diagnostic trouble code?

To fix P268C: Check the condition of the cylinder 1 injector. Inspect the wiring harness and injector connectors. Test injector resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P268C?

Yes, but get it checked soon

How much does it cost to fix P268C?

The estimated repair cost for P268C is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat