I own a 2008 Mazda 6 2.0-litre diesel with 77,000 miles. A little while ago a DPF warning light came on and the car went into 'limp' mode. I spoke with the Mazda dealer who suggested the DPF filter ...

In that case, the likelihood is that the DPF has filled up with ash from burning off all the soot it has been burning for 99,000 miles. Two options. One is to have the DPF sent away to be chemically ...

There have been reports of problems with the CX-5 and some other Mazda models of fuel contaminating the engine oil through the DPF filter. Mazda claim to have a fix for that problem. I would check ...