Why is my Toyota Yaris using so much oil?

I have noticed that my 2010 Toyota Yaris 1.33 goes through oil. I have used genuine parts as per the last service with no help. There are no obvious signs of leaks. I was considering using a different...

My car is burning a lot of oil - do oil additives actually work to fix this issue?

My 2005 Ford (petrol engine) has started burning quite a lot of oil and I can't find an external oil leak. The car has done 100,000 miles and has been serviced regularly. I'm not keen on embarking on expensive...

My car misfires every few weeks - why does one spark plug always get oil on it?

Every few weeks I have to take the same spark plug out to clean oil off of it because it starts misfiring. Could you please tell me what the problem may be?

Jaguar X-Type (2001 - 2009)

Compact Jaguar, launched as V6 only with four wheel drive. Held price well at first.