MasterTuning Fault code dictionary (DTC)

P242F — DPF restriction - ash accumulation

Severity: Serious Can you drive? With caution: limp mode possible, have it checked soon Produttore: Tutti makes (OBD-II standard)
MeaningThe Filtra is blocked by ash rather than soot. Ash is the residue left after every regeneration and it does not burn: it builds up permanently and regeneration cycles cannot Rimuovi it.
FamilyPowertrain (P)

Typical symptoms

Motore Attenzione light on
Increasingly frequent regenerations
Reduced Potenza
The code returns shortly after a forced regeneration

Common causes

Alta mileage: ash builds up naturally
Motore oil burnt through wear or overfilling
Oil that does not meet low-SAPS specification

What a do

A forced regeneration will not fix this, because ash does not burn: the Filtra needs SCONTO-Macchina hydrodynamic cleaning oppure, in extreme cases, replacement. Prima, check that the Motore is not consuming oil, otherwise the Problema comes straight Indietro.

Domande Frequenti

What does code P242F mean?

DPF restriction - ash accumulation. The Filtra is blocked by ash rather than soot. Ash is the residue left after every regeneration and it does not burn: it builds up permanently and regeneration cycles cannot Rimuovi it.

Can I keep driving with code P242F Attivo?

With caution: limp mode possible, have it checked soon

Common causes — P242F

Alta mileage: ash builds up naturally Motore oil burnt through wear or overfilling Oil that does not meet low-SAPS specification

How do you fix code P242F?

A forced regeneration will not fix this, because ash does not burn: the Filtra needs SCONTO-Macchina hydrodynamic cleaning oppure, in extreme cases, replacement. Prima, check that the Motore is not consuming oil, otherwise the Problema comes straight Indietro.

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