P246B

Symptoms

• Increased fuel consumption
• Reduced engine power
• Check engine light on dashboard
• Message about the need for DPF regeneration
• Increased exhaust smoke

Causes

• Frequent trips over short distances
• Low driving speed
• Malfunction of exhaust gas temperature sensors
• Problems with the fuel injection system
• DPF clogged

How to Fix

1. Perform forced DPF regeneration at a service station
2. Take a long drive at high speed (if possible)
3. Check and replace exhaust gas temperature sensors if necessary
4. Check the fuel injection system
5. Clean or replace the particulate filter if it is severely clogged.

Related codes

Error P246B by Vehicle Brand