DPF Issue
Audi P242F indicates DPF restriction due to ash buildup.
Ash Accumulation
Ash accumulation in DPF causes reduced engine performance and emissions.
Bypass Valve Fault
Stuck bypass valve disrupts regeneration, triggering P242F code.
Diagnostic Steps
Check sensors, wiring, and DPF pressure for faults.
DPF Cleaning
Professional DPF cleaning restores exhaust flow and efficiency.
Preventive Maintenance
Follow Audi guidelines to prevent ash buildup recurrence.