engine problem | Ask Honest John

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Most recently answered engine problem questions

I have a Audi A6 1.8T Quattro. The engine light is on, and I had it put on a computer which says it's got a air leak on the intake causing it to run lean. Two people have checked all the hoses on the intake...

What might be causing my Ford Mondeo to misfire intermittently?

My car is a Ford Mondeo 2.0-litre petrol Duratec, mileage 200,000. Problem is like a misfire but intermittent. Most noticeable under load. Any ideas?

Are people fitting older engines to the Ford Galaxy to avoid timing belt problems?

i am thinking of buying a used new shape Ford Galaxy but I have heard that there is a problem with one of the diesel engines. I think it is the 1.8 TDCI which has a timing belt instead of a chain. I am...

I've fitted a new turbo to my 2004 Renault Scenic II 1.5 DCi but it's still smoking. Help!

Have had my Renault Scenic II since May this year. It's a 2004 1.5 DCI 80, and had 72,000 miles on it when I bought it and has 74,500 miles on it now. For most of that time, its been throwing white/blue...

My Renault Laguna cuts out when I come to a stop. What's the problem?

I bought a Renault Laguna Privilege about two months ago. It drives like a dream, although it keeps cutting out when I come to a stop. Also I have noticed a slight ticking or light rattling between 0 and...

My Ford Fiesta is over-revving. I've changed the speed sensor, but what else can I do?

I have a 1996 Ford Festa 1.25. I had the speed sensor changed, but it's still over-revving. Any ideas as to what to do next?

What's the 'Stop' sign flashing on my Peugeot 206's dash?

I have a problem with my Peugeot 206. A 'Stop' sign keeps flashing on the speedometer. What is this?

Is a faulty crank sensor making my Volkswagen Polo cut out?

I've had my 1997 Volkswagen Polo for about a month now, and it dies on me at completely random intervals. It can go days without doing it, then do it three times on a short journey, whether I'm accelerating,...

Why won't my Vauxhall Vectra rev up?

I have a Y-reg Vauxhall Vectra 1.8 SRi. Can you tell me why it wont rev up?

How can I fix a misfire on my Daewoo Lanos?

Hello - my 2000 W-reg Daewoo Lanos was misfiring, so I took to the garage and they fitted a new coil pack, leads, spark plugs and sensor. I got it out of the garage and it seemed fine for 10 miles, but...