Do you need particulate filter on Euro 4 diesel?

Some Euro 4 diesel cars were fitted with particulate filters. Euro 5 further tightened the limits on particulate emissions from diesel engines and all diesel cars needed particulate filters to meet the new requirements.

Can a Euro 5 car be sold before 1st September 2016?

This in effect means that a car sold before 1st September 2016 may still have a Euro 5 engine. Check with the manufacturer to be certain. The Government’s Joint Air Quality Unit have an online vehicle checker to help drivers prepare for Clean Air Zones.

What are the emissions limits for a Euro 4 diesel?

Euro 4 emission limits (diesel) CO – 0.50 g/km HC+ NOx – 0.30 g/km NOx – 0.25 g/km

What happens if you fail Euro 5 particulate filter test?

Any car that has been fitted with a diesel particulate filter (DPF) (a requirement for all Euro 5 and 6 diesels) that gives out "visible smoke of any colour" during testing will get a major fault – an automatic fail. It will also fail if the MOT tester finds evidence that the DPF has been tampered with.