Comment on diesel particulate filters

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Comment on diesel particulate filters

There are vast numbers of diesel cars on the roads and many models are now only available with diesel engines.

Not all of these vehicles can be being driven under 'ideal conditions.' If there were continuing problems then surely owners would be 'up-in-arms' and there would be plenty of media coverage?

My own straw poll has not found anyone who has experienced a problem (many do not know what a DPF is and that their vehicle has one!)

So has there been a marked improvement in DPF technology that has overcome previous problems?

Finally is there any sort of league table of manufacturers problems (or lack of) with DPFs? Do any cover DPFs in their warranties and is there any correlation between engine size and DPF problems?

Asked on 27 April 2011 by Dieseldoubter

Answered by Honest John

I speak as the feedback that comes in. The problem no longer seems to be serious on new cars because manufacturers have found ways of firing off their DPFs earlier. But this, of course, uses more fuel and there are a lot of complaints about poor economy from latest generation diesel cars. DPF life is 60k to 120k miles. No answers to your final questions. Ask 'Diesel Car' magazine.

Tags: dpf technical issues

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