Halfway back the message turns into 'DPF Malfunction', so I presume this means the automatic regen failed. I call the local Mazda garage, who inspect it (well, probably plug in their code reader and charge £120 for the privilege) and tell me that the Throttle Body needs to be replaced and a manual regen tried, but this - after already leaving
Downloads. Works on vehicles from 2000 onwards (OBD-2&CAN)-domestic and import. Resets the DPF light after the filter has been replaced. Performs forced DPF regeneration. Micromanages the injection rate. Resets ECU when fitting new DPF. Resets EOLYS additive lights. Retrieves/ erases DPF-related codes. Supports all 10 modes of OBDII including
On my way to the lake district in January, 150 miles up the M6, DPF light and check engine light came on, into limp mode. Took to Mazda dealer who said oil level was low, they topped up and performed a DPF regen. Car was fine whilst away but after 80 miles of the return journey, same thing again, half way down the M6.
A non-bluetec OM642 has a DPF of 9 L compared to the 3.2 L of the bluetec OM642 and OM651 has a DPF of 3.9 L. The DPF of the bluetec OM642 has a shorter service life vs the other 2 and the primary factor is DPF size vs the output of soot of the engine. The regen intervals and frequency is also different/effected by the size of the DPF.