My Audi A3 is losing power and misfiring - what's wrong with it?

I've got an Audi A3 TDI 2-litre. It suddenly started misfiring and jerking while I was on the motorway. Now its got worse and is losing a lot of power. It sounds like a tractor. I have to rev it very high...

Who's responsible for repairing a fault in my Peugeot 407 HDi?

I bought a Peugeot 407 HDi from a trader. The third day after buying the car it started to misfire and lose power, and then after a few miles would clear itself. I took it back to the trader who took it...

Why won't my Nissan Primera estate start?

I'm having a problem with my Nissan Primera 2-litre diesel estate. The engine management light came on, the car cut out and now won't start.

Can you help with my juddering Volkswagen Passat 1.9 TDI?

My Volkswagen Passat 1.9 TDI is juddering. The ESP light is on, along with the emissions workshop light. What could be causing this?

My Vauxhall Zafira is smoking after I changed the EGR valve - why?

I recently fitted a new EGR valve to my Vauxhall Zafira, but since I got it done the following happens. When starting there is occasionally white smoke, followed by irregular idling until the engine is...

Have you heard of an anti-skid system issue with the Volvo XC70?

While driving in Greece recently, my 2005, 45,000-mile Volvo XC70 2.4 D5 flashed up 'Anti Skid Service Required'. On reaching home 1500 miles later, with no apparent problems apart from having this message...

Do I need to take my C3 to a Citroen garage for fault diagnostics?

Is it possible for a management warning light to come on and no faults be detected on a diagnostic machine? I have had a recent nightmare with my Citroen C3. The flashing MIL light came on and four unknown...

What does the Vauxhall fault code P113 mean?

I have just taken my Vauxhall to the garage as the engine management light is on. The fault reader showed code P113 - 'door inactivation position sensor'. The garage has never heard of this and couldn't...

Why is my 1999 Ford Puma juddering?

I have a 1999 Ford Puma 1.7 with a juddering problem and have had two diagnostic checks, but no codes show up. When I take my foot off the accelerator, the car judders. So far I've replaced the catalytic...

What can I do about my 2005 Citroen C3's starting fault?

I initially had trouble with my 2005 Citroen C3 automatic with stop/start not starting, and the garage advised a new battery, which when fitted was OK. Two years later the car started hopping and the dealer...