OBD Guide

P01DF

Cylinder 11 Injection Timing Performance - Over Retarded

P01DF is an OBD-II diagnostic trouble code meaning: Cylinder 11 Injection Timing Performance - Over Retarded. Common causes: malfunction of the fuel injector of cylinder 11, problems with the injector wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation
  • Increased emissions

Causes

  • Malfunction of the fuel injector of cylinder 11
  • Problems with the injector wiring harness
  • Camshaft Position (CMP) Sensor Malfunction
  • Mechanical problems in the timing system
  • Problems with the engine ECU

How to Fix

  1. Check the condition of the fuel injector of cylinder 11
  2. Check wiring harness and injector connections
  3. Check Camshaft Position (CMP) Sensor
  4. Check the mechanical condition of the timing system
  5. If necessary, replace faulty components

Related codes

Error P01DF by Vehicle Brand

FAQ

What does the P01DF code mean?

P01DF is an OBD-II diagnostic trouble code that indicates: Cylinder 11 Injection Timing Performance - Over Retarded

What causes a P01DF error code?

The most common causes of P01DF include: Malfunction of the fuel injector of cylinder 11; Problems with the injector wiring harness; Camshaft Position (CMP) Sensor Malfunction; Mechanical problems in the timing system.

How do I fix a P01DF diagnostic trouble code?

To fix P01DF: Check the condition of the fuel injector of cylinder 11. Check wiring harness and injector connections. Check Camshaft Position (CMP) Sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01DF?

Limited driving only, diagnose soon

How much does it cost to fix P01DF?

The estimated repair cost for P01DF is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat