P243F

Particulate Filter Restriction - Soot Accumulation Too High Bank 2

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Check Engine light comes on
Increased exhaust smoke
Problems starting the engine

Causes

Ineffective DPF regeneration
Malfunction of pressure sensors in the DPF system
Problems with the fuel injection system
Low fuel quality
Frequent short trips interfering with regeneration

How to Fix

Check the condition of the particulate filter
Perform forced DPF regeneration
Check the operation of pressure sensors
Diagnose the fuel injection system
If necessary, replace the particulate filter

Related codes

P242F P2440 P2459