Should diesel particulate filter (DPF) failures be covered by a manufacturer warranty?
Is the MG seven year warranty any good? The catalytic converter has failed (or the particulate filter) after only three years. Is that acceptable to be excluded from cover?
Asked on 1 November 2021 by Adrian Brown
Answered by
Dan Powell
Depends on the nature of the failure. If it a manufacturing fault then I would expect MG to contribute towards the cost of the repair. However, if the DPF has clogged up due to the fact the car is used for repeated short journeys, MG won't be to blame.
A DPF needs at least 15 miles per trip to complete a successful cycle. Failure to cover this essential distance will result in the filter shutting down mid-cycle and clogging up with the unburnt particulate matter.
A DPF needs at least 15 miles per trip to complete a successful cycle. Failure to cover this essential distance will result in the filter shutting down mid-cycle and clogging up with the unburnt particulate matter.
Similar questions
Is there any legal requirement to have new cars serviced and maintained by the main dealer? We have new cars which don't even appear to have service books for stamps.
I do about 12,000 miles a year, mostly short runs with occasional motorway long hauls. I know most (if not all) modern diesels have DPFs which can give problems. But I like diesels because of the relaxed...
I have a BMW X18D. The vehicle is consuming oil. There are no leaks so the oil is being burned into the engine. The DPF light has now come on. My mechanic informs me that the DPF is getting so hot that...
Elsewhere on 
