Why is my Mercedes-Benz Vito van smoking heavily from the exhaust?

My 2001 Mercedes-Benz Vito 2.1-litre diesel is suffering with very bad smoke from the exhaust. The engine seems to be misfiring with a possible chuffing sound from one or more injectors. It's suffered...

What's causing my 2005 Ford Mondeo diesel to lose power?

I own a Ford Mondeo Zetec 2005 TDCI (130). I have had the car for a year with no problems at all, until now. The car starts fine and runs ok in first, second and third, but when you go to fourth or fifth...

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....

My Ford Mondeo's had a new turbo but still smokes and surges - what's wrong with it?

I have recently had the turbo and actuator replaced on my 54-reg Ford Mondeo TDCi, although I now know that it was only a loose connection within the actuator which could have been re-soldered, costing...

Why is my Ford Mondeo making tapping noises and smoking?

Our 51-plate Ford Mondeo has just started making tapping noises and there's a lot of smoke from the exhaust. I have been told to replace the hydraulic lifters - could it be anything else, and is this going...

Why did my husband's Renault Safrane produce a puff of smoke when he started it?

My huband is driving his ageing Renault Safrane in France at the moment and wrote "It was 42 degrees when I started the car, and I got a brief puff of smoke and a smell of burning when I started it. It...

My Saab 9-5 has started to run very rough - what's wrong with it?

I have an '04 plate Saab 95 2.2 turbo diesel that has started to run very rough. It has 55,000 miles on the clock and was serviced at 50,000. It starts without any problem and runs well until it gets up...

What's causing my Peugeot 307SW to emit smoke when stuck in traffic?

When I was driving my 2002 Peugeot 306 SW HDI turbo in slow traffic recently, smoke came out from bonnet which smelled like a burning clutch, and then I couldn't engage the gears at all. The engine temp...

Why is my 2003 Mazda 6 stalling and producing smoke?

I have recently purchased an '03 reg Mazda 6 2.0 (136bhp) TS TD. The car has done 75,000 miles. In my rear view mirror I can see smoke in the headlights of the car behind when going over 2000 revs. Now...

Why does my Renault Laguna 1.9dCi stutter in top gear and smoke under acceleration?

I have a Renault Laguna 1.9dCi on a 51 plate and it runs fine, but when in top gear it feels like it's holding back. Also, when accelerating it produces a little black smoke. Please help - I have cleaned...