Ask Honest John

Most recently answered engine questions
Is it possible to change this car from fuel injection to carburettors?
I have just bought a 9 month old third generation Honda Jazz SE. The manual recommends the use of 95RON super unleaded petrol. Will I damage the engine if I use ordinary unleaded?
Is the engine on a Daewoo Kalos 1.2-litre 2003 8-valve after timing belt failure?
What do you think of BMW 316i? Bearing in mind that I'm not the kind of driver that tends to push the car towards its limit, I'm concerned that the engine is not powerful enough. For example, just for...
I'm looking to buy a 2016 Mazda2 1.5 Petrol Sport Nav, either 90PS or 115PS. Are both engines chain cam?
I am thinking of buying a new Skoda Superb Estate. I am told that its 1.4 turbo engine is comparable to the 2.5 engine of my 1999 Vauxhall Omega because of the progress in engine design. Do you agree?
My wife's Fiesta 1.6 Ghia (54) is cutting out while driving. The water pump and thermostat housing were replaced at the garage along with the timing belt - unfortunately they got the timing slightly out...
When will Jaguar replace the Ford based 240PS engine in the XE as I don't want to purchase an old specification, but I don't want to wait beyond the change to 16-plate to make a choice between this and...
Do you realise that the Range Rover L322 was produced from 2002 with a BMW 2.9 litre straight six turbo Diesel engine mated to a GM 5 speed auto box. You never mention this engine in any way.
You earlier mentioned problems with timing chains on the 3 cylinder Skoda engines. My car is 0f 2004 make and approaching 60 000 miles. Should I change the chain now?

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