Can A Blocked DPF Damage The Engine?

What are the signs of a blocked DPF?

What Are The Signs Of A Blocked DPF?You feel a loss of power in your engine (limp mode).The DPF light will appear on your dashboard.Passive and active regeneration keep failing.A pungent smell of diesel.Automatic Stop-Start System Not Working.Your car seems to be releasing an excessive amount of smoke.More items….

Why is my DPF not regenerating?

The DPF will not regenerate if: The engine management light is on for any fault; There is a faulty EGR valve; There is less than 20 litres of fuel in the fuel tank, if the fuel light is on or the engine management light is illuminated.

How do you fix a blocked DPF?

DPF Regeneration What you should do is get in your car, drive to the nearest motorway or long A-road, stick it in a lower gear than you normally would while cruising and maintain 3000+RPM for 10-20 minutes. You may find that this allows your vehicle to go through its regeneration cycle and clears the blockage.

Can I drive with a blocked DPF?

Can you ignore the DPF light and carry on driving? Technically yes, but we would not recommend it. If you ignore the DPF light and continue driving, the build-up of soot will soon reach a point whereby your car has to enter ‘limp-home’ mode in order to prevent any damage to the engine.

Can a blocked DPF cause engine failure?

Under certain conditions, a DPF can become blocked, causing an engine fault code to display. … Ignoring a DPF warning light can result in loss of power, reduced fuel economy, poor throttle response and difficulty starting & from 25th May 2018 is an MOT failure.

What damage can a blocked DPF do?

A blocked DPF can force exhaust gas through the smallest of gaps, including the clearances in the bearing housing VNT lever arm and turbine housing waste gate mechanisms. If this occurs, carbon build up in these mechanisms can restrict movement of the levers affecting performance of the turbo.

How long do DPF filters last?

A diesel particulate filter on a poorly serviced car may fail sooner than a well maintained one, generally, they should last for at least 100,000 miles.

How do you manually regenerate a DPF?

To kick off a manual DPF regeneration you shouldPut the vehicle in neutral.Put on the hand brake.Leave the pedals alone!Press and hold the DPF button for 2 seconds or longer.

How much does it cost to clean the DPF filter?

➢ Prices charged for DPF Cleaning range between $350 and $500, depending on location and cleaning method used. ➢ Some manufacturers offer exchange programs in lieu of cleaning, which usually run between $600 and $800.

Why does my DPF keep blocking?

Your DPF will become blocked when soot builds up in it. To clear it, the soot needs to burn away, which is called “regeneration”. There are several ways that DPF regeneration can happen: Passive regeneration: This happens naturally when the car gets hot enough, during long drives at a high speed.

Does a blocked DPF affect performance?

Not only does a blocked DPF filter make your engine use more fuel, the acceleration that you do is not as powerful due to the engine not being able to expel its emissions. This double whammy of decreased efficiency causes you to spend more money on fuel along with tiring your engine out at a must faster rate.

How do you clear a blocked DPF filter?

Warm up the engine to operating temperature, then drive it for 15 minutes at constant speed on a motorway. Aim to keep the revs above 2000rpm for this period. The heat generated will help clean the DPF filter and the cars Regeneration cycle will usually kick in under these circumstances.