DPF Removal – The Guide to removing your DPF Filter



DPF Filter Delete/Removal The exhaust discharges criteria for brand-new vehicles have actually successfully required fitment of a DPF in the exhaust of diesel autos considering that 2009 when the ‘Euro 5’ criterion entered into force. As a matter of fact, several automobiles signed up before 2009 will certainly have had one fitted also in anticipation of the change in requirements. Requirement aim to deliver an 80% reduction in diesel particle (soot) exhausts yet as proprietors are discovering with fantastic cost, the innovation is not without its issues.


The DPF looks comparable to a typical exhaust silencer, but is placed close to the engine. Inside is a complicated honeycomb ceramic structure created to filter the exhaust gases while reducing flow reduction (which would otherwise restrict efficiency). By forcing the exhaust gases through the wall surfaces in between the networks of the DPF, the particle issue is transferred on the wall surfaces, so minimizing the amount of air contamination. As soon as the DPF reaches a particular degree of ‘Saturation’ it does a regeneration cycle to burn the particulate matter inside the filter.

DPF Removal in Ipswich

There are 2 types of DPF Filter regeneration:


When the soot loading in the filter gets to an established limit (regarding 45%) the ECU will initiate message burning gas shot to increase the exhaust temperature and also trigger regeneration. If the trip is a little bit stop/start or you take your foot off the accelerator while the regeneration remains in progression, it may not finish as well as the caution light will certainly come on to reveal that the filter is partly obstructed.


Easy regeneration happens instantly on motorway-type runs when the exhaust temperature level is high. Due to the fact that many cars and trucks don’t get this kind of use cars and truck manufacturers have to design-in ‘active’ regeneration where the engine monitoring computer system (ECU) takes control of the process.

A car which is mainly made use of for freeway usage will normally run at warmer temperatures as well as for that reason create far less particle matter than one made use of in a stop/start city setting. A lorry utilized on the freeway is likewise mosting likely to have the ability to regenerate more frequently and also properly as it remains in the best driving setting for the regeneration procedure to happen.

The operation of the DPF is controlled by the ECU and also calls for several signal feeds from various sensing units in order to operate properly. The most common kind of DPF runs two stress sensing units and also a varying variety of temperature sensors. There is differential pressure sensor mounted in the engine bay which picks up the pressure both prior to and also after the DPF. It is the variance in pressure in between these two pick-ups which permits the ECU to determine the portion saturation of the DPF. When the ECU establishes the saturation degree it has the ability to force a regeneration cycle. The development of the cycle is checked by the temperature level sensing units and also takes constant comments from the differential pressure sensor which makes it possible for to recognize when the burn process is complete.


Some manufacturers make use of additives to reduce the ignition factor of the soot particles by secreting percentages of fluid right into the fuel storage tank which mixes with the gas. The additive is a solution thing as well as is made to call for re-filling every 75,000 miles around. Overlooking the caution for reduced additive will mean the DPF will not restore effectively as well as will almost certainly require a brand-new DPF. Particular designs of automobiles nevertheless require the DPF to be altered with the additive top up that makes for expensive servicing bills.

A DPF has a layout life of around 75,000 miles however this can be subject to large variant depending upon automobile use and also engine condition. Each time the ECU forces a regeneration cycle it melts the particulate matter down to a much smaller quantity of better soot, they do not obtain entirely gotten rid of from the filter. Gradually, the fine soot web content accumulates to a point where a regeneration cycle is no longer able to be executed; now the filter either requires replacing or clearing.

Removing the DPF is commonly suggested to check the opacity of the exhaust emissions which can give some sign of any kind of potential running concerns which can impact on the procedure of the DPF. Concerns such as dripping engines and also injectors shedding oil can enormously reduce the life of a DPF.

dpf removal in ipswich suffolk

There are a wide range of reasons a DPF can fail, the most common are highlighted below:.

High gas mileage and also compressed with fine soot.
Failed sensors protecting against DPF regeneration.
Lack of additive in fuel (where fitted) triggering insufficient burn.
Engine concerns i.e. dripping injector, shutoff stem oil seals, used piston rings.
DPF incapable to regenerate as a result of driving conditions i.e. City centre.
Poor efficiency tuning.
Driving in too reduced of a gear on a motorway prohibiting the regeneration to commence.
dpf removal logo Celtic Tuning.
Are you having problems with your DPF?
Are you encountering a huge bill for your DPF replacement?
Is your DPF creating you bad fuel economy?
DPF Elimination can address your problems.
Celtic Adjusting are real software application designers and also thus have unique knowledge and experience in DPF Removal from modern-day ECU’s. Our DPF erase software program will make sure that you have difficulty complimentary motoring after the DPF elimination and also offer you piece of mind that your vehicle will certainly not go into limp mode as a result of DPF regeneration ever before once again.

Modern turbo diesel administration systems all accommodate using a ‘diesel particulate filter’ as it has ended up being necessary as part of Euro Exhaust controls. The problem numerous are discovering is that any type of driving besides motorway usage will cause the DPF to congest and also compel it to regrow. There is only many times a DPF can regenerate before the compressed soot reaches an essential saturation level at which factor DPF replacement impends. With the DPF not belonging to an MOT emission test it is not a requirement for it to ‘work’ as a DPF. Our DPF remap in basic turn off the functionality of the DPF guaranteeing it never ever attempts to regrow again. What is called for is that the DPF filter is removed from the centre of the exhaust core making sure all sensors are still in position and also working. When finished, the DPF still looks to be sitting with all sensing units operational just not DPF trap as well as no regeneration problems.


DPF Filter Delete/Removal. DPF Elimination software will certainly ensure that your vehicle operates without the DPF existing. The majority of consumers also benefit by having an efficiency remap along with the DPF remap which gives even much better gains than just the DPF Removal itself. The benefits of DPF removal are as complies with:.

No pricey DPF replacement prices.

When the car decides to do a forced regeneration, tickno a lot more limp modes.

Improved MPG due to the elimination of an air limitation enabling the engine to breather much better.

tickImproved power output of the automobile. We have actually examined several vehicle’s on our dynamometer prior to.
and after DPF removal and also every one has actually provided an efficiency gain. An instance of one is the Fiat 500 1.3 Multijet 75bhp which got 8bhp and also 10lbft after having DPF removal.

tick After DPF removal it is possible to make use of biography fuels as they can no more create issue to the DPF filter.

Please keep in mind that we just offer DPF solutions for Off-Road Usage only. Although it is not unlawful to get rid of a DPF filter form your car, it is an offence under the Road cars (Building and Use) Laws (Policy 61a( 3 )) 1 to utilize a lorry which has been modified as if it no longer complies with the air contaminant exhausts standards it was created to fulfill. Elimination of a DPF will certainly virtually invariably refute these requirements.

From February 2014 the inspection of the exhaust system performed throughout the MOT examination will consist of a visual look for the existence of a DPF. A missing DPF, where one was fitted when the automobile was constructed, will certainly lead to an MOT failing,.

From February 2014 the evaluation of the exhaust system accomplished throughout the MOT examination will include a visual check for the existence of a DPF. A missing DPF, where one was fitted when the automobile was built, will result in an MOT failing.

The possible charges for falling short to adhere to Guideline 61a are penalties of approximately ₤ 1,000 for a car or ₤ 2,500 for a light products car.


advising Notes concerning DPF Removal.
DPF’s have several sensing units which assist its procedure. These include temperature levels sensing units and also differential pressure sensors. All of these sensing units should be working in order to have the DPF eliminated.
Simple removal may not always heal the problem if a vehicle is in limp setting and the DPF is compressed requiring replacement. The DPF failing is commonly a sign of one more fault, not the reason for the concern. A vehicle might require a DPF replacement due to compaction but the reason may be dripping injectors which have caused the DPF to stop working. The monitoring light may be on and also in limp setting, the DPF may be saturated calling for replacement yet after elimination the auto may still be in limp mode as well as management light in with the usual cause being a faulty differential stress sensing unit and the reason the DPF failed.

The DPF Removal Treatment.

Of all we remove the interior filter just from the exhaust system, unlike other business we do not fit a simple bypass pipe. Rather, we change the original DPF system by reducing a tiny window in the top of the DPF chamber, we after that get rid of the inner filter, bonded the home window back into area as well as recondition the DPF device to the automobile.

As soon as the physical filter elimination has been finished the ECU (Electronic Control Device) is reprogrammed (Remapped) as well as any DPF related structures eliminated from the cars software. This will stop the lorry from noticing the missing out on filter and will avoid future DPF regeneration as well as advising lights. This is the most essential aspect of the elimination procedure and also it is vital that the ECU is reprogrammed correctly or DPF concerns will proceed. When carrying out this procedure we can likewise remap the ECU for much better efficiency and also gas performance, this is normally at no cost with our DPF elimination service.

Removing the DPF from your lorry is not just a cost effective solution but it likewise boasts the following advantages:.

✅ Boosted efficiency.

✅ Boosted effectiveness (MPG).

✅ Less turbo lag.

✅ Decreased upkeep costs.

Fault Codes – Relating to common DPF blockages

P2002 Particle Trap Bank 1 Efficiency Below Limit.

P2453 Diesel Particle Filter; Differential Pressure Sensor.

P2452 Diesel Particle Filter; Differential Pressure Sensor.

P2454 Diesel Particle Filter; Differential Pressure Sensing Unit.

P2463 Diesel Particle Filter Restriction: Soot Build-up.

P0472 Diesel Particle Filter; Differential Stress Sensing Unit– Signal also reduced– Malfunctioning.

P2458 Diesel Particulate Filter– Regeneration Period.

p2002 dpf fault
p2002 dpf fault

DPF Removal in Ipswich

GEL Automotive can provide DPF Removal / DPF Deletes and DPF Solutions such as a sports DPF.

Address: Unit 6 Foxtail Rd, Ransomes Industrial Estate, Ipswich