How do I regenerate my vehicle's DPF?

Can you please advise how to regenerate the DPF on a Mercedes-Benz E-Class?

My car is showing a 'check exhaust emission' light - what should I do?

I have a 2008 Renault Koleos 2.0d. In the past two weeks I've done four journeys in excess of 50 miles at high speed (dual carriageway). A couple of days ago, a warning appeared saying "check exhaust emission"...

We need a large MPV, but do low mileage - what do you recommend?

We have four children and are struggling with our Citroen C4 Grand Picasso. We need a secondhand replacement with space and a decent boot, so very few cars are suitable. We do 6000 miles per year with...

Why is the oil level in my Kia Sportage so high after it's been driven?

My Kia Sportage oil level reads at well over the max mark when the engine has been running. I've been to Kia and they can't find a problem. What do you think it is?

My car failed after 17,000 miles - is it fair for the dealer to reject liability because it wasn't serviced?

I bought a new Mitsubishi Challenger L200 from a dealer in May 2015. The engine seized and the car was written off in October 2017, after only 17,000 miles. It had not been serviced, so the dealer and...

I'm looking for an economical, reliable vehicle to transport school pupils - what do you suggest?

I'm the Business Manager of a Special School in Kent. Our older students regularly go out on short trips in small groups to improve their life skills and gain Work Experience. We're looking to purchase...

I do 15,000 miles per year - should I go for petrol or diesel?

I do 15,000 miles per year and almost never do less than 30-mile round trips. I would like a diesel but think I'm on the cusp mileage wise. What do you recommend?

Why does our diesel Nissan X-Trail need work done because we don't drive it enough?

I was sold a brand new Nissan X-Trail diesel almost two years ago. I told the dealer that we only travel around 8000 miles a year and now I'm being told the car needs £300 of work due to not being driven...

Why is the regeneration not clearing the DPF warning on my car?

I have a risk of particle filter blocking warning showing up. Why is the regeneration not clearing it even after a long run at high speed?

Our BMW 1 Series is showing a DPF light - is this because we only use it for short journeys?

I recently bought my son a BMW 1 Series for his 18th birthday. Soon after the filter light came on. We took it to a garage to be looked at and the turbo was burnt out, so had to be replaced. We also had...