Audi P242F: Ultimate Guide to DPF Filters & Repairs (2025)
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.
Our Phone Numbers
T: 01489 666 468
T: 01489 666 384
T: 0207 1019 387

Order Request

We have All makes

The Catman Order Form

Please use this form, and we will send you the very best price for your car. If you are happy with the quote, we can send you a payment link or take the payment over the phone.