3. Check that the EGR system is working correctly; 4. Check that the vehicle has the correct specification engine oil; 5. Check the Eolys/Cerine additive (active system); 6. When the DPF filter load reaches a predetermined level, the ECU activates a regeneration process to increase the DPF temperature to over 550˚C.
$200 later, they did a forced regeneration for me. It has been fine ever since but the other day it came back up saying DPF 100% full. This was almost immediately after I just drove on the expressway at 65 mph for 30 min. No idea why it didn't do a regen during that time. 80% of my driving is highway miles.
Check the engine oil for diesel contamination (could be the result of regeneration). The fuel additive Eolys level is too low. “If the DPF is not regenerated and the PM level fills to over 90 per cent or 45 grams, the DPF will need replacing. “This is not covered under warranty. “When fitting a new DPF the ECU must be reset before
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can you force a dpf regeneration