Why is my Focus blowing blue smoke?

I own a 1998 ford focus 2.0 petrol, it's done 144,000 miles and over the past six months it has started to blow out lots of blue. I think it may be the valve stem oil seals, any idea how much this would...

Vauxhall Astra blowing blue smoke - is there a fault?

My Vauxhall Astra has started emitting blue smoke on start up. It has also started using around 1 litre of oil a week, can you tell me if there’s a problem?

Jaguar S-type diesel blowing blue smoke

My diesel Jaguar S-Type has started blowing blue smoke from underneath the front passenger side. The problem only happens in the cold, any idea what it is?

Why is my BMW 320d producing blue smoke after I used injector cleaner?

I recently added injector cleaner to half tank of diesel in my 51-plate BMW 320d. I drove it as per normal, refuelled, and then started noticing blue smoke when at traffic lights. Performance seems ok....