White powder coming from the vents

I have recently experienced a fine white powder (significant quantity) coming from the air vents with the climate control on. I would like to know what this might be, if it is harmful and what could be...

Will Mercedes-Benz fix this under warranty?

My independent Mercedes-Benz servicing garage tells me that the Sensotronic Brake Control unit on my 2004 E320 cdi (90,000 mileage) needs replacement at a cost of £900+. I've read on various MB Forums...

What would be the best replacement clutch kit for a Peugeot 407?

The clutch has started slipping at 34,000 miles on my Peugeot 407 2.0 2009 Sport and was wondering if you could recommend a replacement kit that would last longer that the genuine one. It would appear...

Vauxhall Agila clutch very stiff

We have a 23k mileage Agila and are concerned about the strength of the clutch. I think that this is a common problem to this model but is there any modification that can be made. We will speak to the...

Rough idle on a Peugeot 406 HDI

My 406 hdi has a rough idle. When I rev it up it seems fine - a little misfiring, but soon it hits the turbo and it's OK. It feels almost like it's running on 3 cylinders on tick over. A friend has done...

Seized turbo on a Subaru Legacy

My Legacy diesel (2009 26,000 miles) was experiencing a sudden loss of power under hard acceleration, such as overtaking or pulling out at a junction. Between Christmas and New Year it was diagnosed by...

Aux belt has broken the engine

We have a Citroen Xsara Picasso 1.8 petrol on a 51 plate. When we bought it in September 2010 part of the deal was to replace the cam belt which they did. Now on New Years Eve 2011 the car broke down....

Renault Espace won't start again after stopping

I have a 2004 Renault Espace petrol. It always starts from cold but sometimes when you stop it wont restart. The engine turns over but won't fire. If you leave it for 10 minutes it then starts. It's a...

Audi A4 losing power

My Audi A4 1.9 tdi has suddenly started losing power. It still drives but is very sluggish. There's no smoke coming from the exhaust whatsoever. I've changed the diesel filter but there has been no change....

Zafira diesel particulate filters

I recently had to have a new DPF fitted to my Zafira 1.9cdti (120bhp). It has been on the car less than a month and now suddenly the car goes into limp mode and I get a fault code which relates to the...