The easiest and cheapest method of DPF filter cleaning is by driving the vehicle for a long-distance at high revs per minute. Doing this increases the heat of the exhaust and burns the soot blocking the DPF filter. It's best to drive on a motorway or A road where you can keep the vehicle at a consistent speed.
Driving at a speed greater than 40mph for more than 10 minutes should ensure your DPF goes into 'regeneration' mode and clears the blockage.
Driving for over 10 minutes at speeds in excess of 40mph will often be sufficient to clear the blockage and regenerate the DPF. You should consult the handbook for your vehicle for more specific guidance on how you should drive to initiate regeneration of the DPF and clear the warning light.
You should take your car on a run to allow the regeneration process to take place. Most engine management systems will actively regenerate the DPF when the car is driven at speeds above 40mph for around 10 to 15 minutes.
Act immediately or your only option will be to take the car to a garage for repair. There are no additives or methods that will clean a BLOCKED DPF. There is a narrow window where a mechanic can clean the DPF by forcing a regeneration but after this narrow window your only option is to fit a new filter to your car.
In a first stage, the DPF warning light goes on. In most cases, driving for 10 minutes at 65 km/h (about 40 mph) or faster will ensure proper regeneration.
Blocked DPFs wreak havoc with the delicate balance of your engine by preventing the normal venting of gases, which causes a variety of engine issues, as described above. In addition to reduced power and fuel efficiency, a blocked filter may eventually cause a dangerous mechanical malfunction and break your engine.
The vehicle can still be driven, however it is advised that the customer should visit a dealer where they can perform a stationary service regeneration using a service tool.” That's pretty typical.
Because the DPF is under the car, not 'close coupled' in the exhaust manifold, the car needs to be driven quite a long way (50 miles) at 2000 - 2500 rpm to get the DPF hot enough to promote a passive regeneration.
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.
Your DPF regenerates because of excessive exhaust soot overwhelming the DPF. Exhaust soot is the product of incomplete combustion, the soot is actually partially burned fuel. Soot creates back pressure and the regeneration is triggered and your headaches begin.
A blocked DPF or obstructed exhaust will force your engine to work harder to expel exhaust gases, reducing available power and increasing fuel consumption.
A DPF can last up to around 100,000 miles if maintained properly. After the car has exceeded that mileage, you could be looking at paying a large amount of money for a replacement – so always properly check MoT and service records when buying a used car.
light comes on the dashboard that says dpf self cleaning or exhaust self cleaning. you need to let the vehicle run and just let it complete that cycle it only takes about five or ten. minutes after you've stopped.
One final consideration, it takes time for a DPF to block, sometimes years. Once blocked though, turbo failure can occur very quickly.
Engine Low on power. Engine cannot rev to high RPMS. Black smoke from exhaust upon acceleration. Odour of diesel fuel into the cabin.
To make sure that the regeneration takes place, most manufacturers suggest that every few hundred miles, the car is driven for a period of more than 15 minutes at a consistent speed of more than 40mph. Doing this should kick-start regeneration and clear the filter.
The DPF regeneration process creates very high exhaust gas temperatures and the exhaust will radiate a considerable amount of heat during and after DPF regeneration, and after you have switched the engine off. This is a potential fire hazard.
How long does a parked DPF regen take? It takes approximately 20-60+ minutes. It will continue to regen until the soot level has reached 'low' or '0%. ' Some trucks will let you monitor your soot level gauge on the dashboard.
When mild service is necessary, the Bluechem DPF Top Gun Cleaner combined with the High Pressure Gun allows automotive service shop to clean the DPF without removing it from the vehicle. For High build-up of soot and residuals (Clogged DPF), severe service of the DPF flushing is the solution.
The most common reasons for DPF blockages are: Short journeys where the engine doesn't reach optimum operating temperature; Clogged EGR Valve increasing diesel soot passed to the DPF; Faulty fuel injectors sending too much fuel to the air/fuel mixture; Incorrect engine oil upon servicing the car ; Turbocharger failure ...
A DPF delete, basically means to run the engine without having the diesel particulate filter installed. Therefore, the DPF must be removed and replaced with an exhaust pipe (downpipe) that does not have a filter installed.