Is it okay to change just one piston?

Is it okay to change one piston? My Vauxhall Astra diesel has done 36,000 miles and there is no damage to the bore, only the piston and the head.

Best car for £7000?

I need to replace my 2002 Ford Focus diesel estate. My distance to work is 14 miles so I need something frugal (diesel?) that will last five years. What would you recommend with a budget of £7000?

Why does my MINI Countryman smell of diesel?

I have a 2011 MINI Countryman. A friend has been smelling diesel fumes when we were driving along for a while. It has just been checked by my local dealer and they have found a leak from the ejector. They...

Should I buy a high mileage diesel?

I have previously read your comments on modern diesels complexity (DPF/DMF/EGR/Turbo) possibly being problematic with high miles unlike older diesel engines. Would these issues be true of the Honda i-DTEC...

Smell of diesel after ignition - what's the cause?

There's a strong smell of diesel in my 2010 Nissan Qashqai after ignition, is there a specific reason for this

BMW 218d and 220d - what's the difference?

What is the difference between the BMW 218d and the 220d? Is it just the engine mapping? Can't they both be remapped to run the same power?

Ford Galaxy - which models have a DPF?

I would like to purchase a Ford Galaxy diesel. Can you tell me which models don't have DPFs and does the Galaxy switch from torque converter to DMF at any point?

Mitsubishi Outlander - does it suffer with DPF problems?

Can you tell me if the 2007 Mitsubishi Outlander 2.0 diesel suffer with DPF problems?

Audi A3 diesel - does it suffer DPF problems?

I am looking at a new Audi A3 diesel, can you tell me if this car has any DPF problems? And is it ok for regular short trips?

Volkswagen Touareg - engine clatter

My 2009 Volkswagen Touareg is starting to make a clatter on start-up, which lasts for 30 seconds. My local dealer has said that nothing shows on diagnostics and once running the car is fine. Can you offer...