Is DPF warning light an MOT failure?
A diesel particulate filter check has been part of the MOT test since February 2014. If a filter has been removed, the car will fail its MOT. Removing the DPF will sometimes cause the warning light to glow – and this itself is an MOT failure point: no dashboard warning lights should remain on during the test.
Why does my diesel car have a DPF warning light?
A diesel car will display a DPF warning light when there is a problem with the car’s diesel particulate filter. This filter reduces the amount of harmful soot emitted by the car and has been required, by law, to be fitted to all diesel cars since 2009.
Can you pass a MOT with a DPF warning light?
Also, you cannot pass an MOT with a DPF warning light displaying on the dashboard, so make sure you address it as soon as possible. If the light does not go off, or other warning lights appear, do not continue to drive the car. What To Do If Your DPF Warning Light Comes On.
What to do when your DPF light comes on?
When your DPF warning light comes on, remember this: Orange warning lights are sub-critical events. You need to act, but it’s not life and death for your engine. Red warning lights, on the other hand, are reserved for engine life and death. So – vehicles are subtly different, and the DPF light activation scheme varies.
What do Diesel drivers need to know about their DPF-green flag?
It may also be beneficial to use a diesel dpf additive to help burn happen at a lower temp… This has worked for me.. Engine light gone so has limp drive mode and car now smoother. Alternatively (but I am having this done too) halfords will deep clean dpf I think for £98 and will reset faults log.
Why does my DPF warning light come on?
How it works and why the light may come on. The Diesel Particulate Filter (DPF) is part of your exhaust and controls the ‘soot’ that would otherwise be expelled from the system.
Is it illegal to drive with a faulty DPF filter?
Order Forte Diesel DPF Cleaner. Depending on your car type, driving with a faulty DPF filter can be illegal. Motorists tend to avoid repair due to the expense of cleaning, remapping or replacing the filter, particularly if the car still runs pretty well but there is an engine warning or glow plug light flashing.
Why does my DPF block when I stop in traffic?
In stop/start traffic, or on short journeys, a regeneration may not get time to complete. This will cause the DPF to block partially and an orange light (left)will come on in the instrument cluster. Ignore the light and continue driving slowly or in traffic and eventually the engine will lose power and stop.
How long can I drive with the DPF light on?
Find a clear stetch of dual carriageway / motorway, and drive continuously for a further 20 – 25 minutes at 45 – 60mph in a gear which keeps the Engine RPM of the car comfortably at 3000 rpm (automatic owners – choose “M” or sport mode)