diesel particulate filter

Car exhaust system cleaning: is it worth using DIY products for catalytic converters or diesel particulate filters?

Car exhaust system cleaning: is it worth using DIY products for catalytic converters or diesel particulate filters?

Within your car’s exhaust system there are two areas that are hot spots for trouble and often need cleaning – the catalytic converter and the diesel particulate filter. Both of these cause problems for the efficient running of your car and can lead to it failing its MOT. In fact, Britain has a monthly peak of 43,000 cars failing the annual roadworthy test because of unacceptably dirty emissions from the exhaust.

Given the high cost of replacement parts, it’s no surprise that many drivers are embracing DIY cleaning products. These claim to return to good health congested catalytic converters or diesel particulate filters. We look at the options for drivers and ask whether they are worth using.

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Dashboard warning lights and what they mean

Lots of brightly coloured lights but what are they telling you?

Lots of brightly coloured lights but what are they telling you?

It may be the one thing that every driver dreads, but an illuminated warning light on your vehicle’s instrument panel could save you and your car from expensive damage. This is what the symbols mean and what to do if they appear.

Chris Rutt, service delivery manager for Volkswagen UK says it’s vital drivers pay attention to their car’s warning lights. “They are designed to alert drivers to a fault with their car or van and aren’t as complicated as some drivers may think. A red light indicates the driver should stop the vehicle as soon as is safely possible to investigate further; an amber light is an advisory signal. So while there is no need to stop immediately, the reason for the light should be investigated as soon as is practically possible by a servicing agent.”

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What diesel drivers need to know about their DPF

Here's what the DPF looks like (Picture © Vauxhall)

Here’s what the DPF looks like (Picture © Vauxhall)

Not many drivers know what a Diesel Particulate Filter (DPF) is – until it costs them serious money. And replacing one can cost £1000 or more. Green Flag attends a lot of cars that have broken down with DPF problems and they are caused by one primary factor: the DPF is clogged with soot because the driver has ignored the warning lamp. Here’s everything you need to know about the DPF dilemma.  Continue reading