OBD Guide

P249F

Excessive Time To Enter Closed Loop Particulate Filter Regeneration Control

P249F is an OBD-II diagnostic trouble code meaning: Excessive Time To Enter Closed Loop Particulate Filter Regeneration Control. Common causes: malfunction of exhaust gas temperature sensors, clogged particulate filter. Estimated repair cost: $39–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$39–167 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • The 'Check Engine' light comes on
  • Message about the need for DPF regeneration
  • Increased exhaust smoke

Causes

  • Malfunction of exhaust gas temperature sensors
  • Clogged particulate filter
  • Problems with the fuel injection system
  • EGR valve malfunction
  • Low fuel quality

How to Fix

  1. Check the condition of the particulate filter
  2. Diagnose exhaust gas temperature sensors
  3. Check the functionality of the EGR system
  4. Perform forced DPF regeneration
  5. Check the condition of the fuel system

Related codes

Error P249F by Vehicle Brand

FAQ

What does the P249F code mean?

P249F is an OBD-II diagnostic trouble code that indicates: Excessive Time To Enter Closed Loop Particulate Filter Regeneration Control

What causes a P249F error code?

The most common causes of P249F include: Malfunction of exhaust gas temperature sensors; Clogged particulate filter; Problems with the fuel injection system; EGR valve malfunction.

How do I fix a P249F diagnostic trouble code?

To fix P249F: Check the condition of the particulate filter. Diagnose exhaust gas temperature sensors. Check the functionality of the EGR system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P249F?

Limited driving only, diagnose soon

How much does it cost to fix P249F?

The estimated repair cost for P249F is $39–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat