Most recently answered dpf questions

A lot of new diesel cars have particulate filters fitted in order to make them 'cleaner'. Am I correct in thinking that this would make them unsuitable for Mr and Mrs Average Driver, doing their 10,000...

Thank you for your recent answer about DPF problems with my 56 reg Zafira Design CDTi (150). I have decided to sell it. Your website comments regarding DPF are all about this engine and I wonder if the...

Is it me or have recent emissions laws resulted in the motorist being lined up for a nasty surprise? I refer to the EGR valve setup on many Euro IV engines. This allows spent gases to be recycled back...

We have a 2008 Zafira 1.9CDTi automatic and every few weeks its warning light comes on to say we need to get it to a Vauxhall dealer. The handbook says the fault is with either the diesel particulate...

My 07 Zafira CDTi is actually a very fine car - except for one big problem, which is damaging to the urban-travel families the car is aimed at. I live in an city area surrounded by a rookery of revenue...

I own a 2004/54 Peugeot 407 SW HDI 136. It has done 43,900 miles. It recently over-revved and left a thick cloud of smoke from the exhaust. It then went into limp-home mode. I took it to my local Peugeot...

I am sure that you are aware of he problem that exists with the DPF on diesel Zafiras. The Zafira in question (Elite 150 bhp) was bought brand new in May 2006 from Phoenix Vauxhall. Within 500 miles the...

When Renault increased the power of its 1.9 diesel engine from 120 to 130 bhp they put a particle filter in the exhaust system to clean up the emissions. This meant the service intervals increased from...

I have a three-year-old MkV Golf 1.9TDi with 36,000 miles, almost all of which have been clocked up on cruise control in fifth gear at between 60-70mph. It is just out of warranty, of course. After road...