In today’s video see how a DPF regeneration cycle is carried out, and see if having faulty glow plugs will result in a clogged Diesel Particulate Filter on y

DPF Regeneration. Ever since purchasing our E70 3.0sd the car has cranked for longer than I would consider normal for the car to start. This is in spite of the fact that we live in a rural area, where the car is never driven for periods of less than 20 minutes (usually 45 minutes to 2 hours) or at speeds less than 80 km/hr.
Sadly sometimes diesel from the DPF regeneration process can leak into the sump oil (google it) diluting and degrading the oil and hence causing problems with the lubrication of the turbo bearings. Sometimes the oil level can rise to a point where the engine ‘runs away’. It can happen on any car which uses this type of DPF regeneration process.
6.4 Regen Info. Diesel particulates in the exhaust are trapped by the DPF. Regeneration is the process by which exhaust temperatures are increased so the particulates are combusted. The frequency and length of regeneration will fluctuate as both are determined by the drive cycle. For most drive conditions, regeneration frequency will vary from

The first two indicators mean that the engine control module has detected soot buildup in the DPF and is initiating a regeneration process. Don’t shut off the engine until the lights clear. The third symbol shows a failed regeneration attempt, and the fourth asks for immediate intervention. In both cases, you would need to do parked regens.

Diesel particulate filter (DPF) regeneration is one of the largest pain points for school bus operators and maintenance technicians. It’s not uncommon to hear of fleets who experience multiple regen issues a day, causing their buses to remain parked or on the side of the road in need of a manual regen. “It’s been a pain,” said Charlie
During Regen it injects fuel just before or direct into the dpf. This raises exhaust temp exponentially. Normal temp is 400-600 depending on how hard your hitting the throttle. During Regen it will hover around 1160f. When you lift off the throttle it stops injecting fuel and the temperature immediately lowers.
You can trigger a static dpf regeneration but you need to use diagnostic equipment to do this. If the dpf sensor is ok and the dpf is actually blocked it could be down to a faulty fuel vapouriser. This assists the regeneration process by raising the temperature of the dpf by squirting vapourisered fuel upstream of the dpf. If you need any
An illuminated DPF light will cause an MOT failure. Since part of an MOT test is to check that vehicles comply to environmental standards, a faulty or missing DPF will cause an immediate failure. What to do if the DPF light comes on. If your DPF light turns on, the first thing you should do is attempt to initiate a DPF regeneration cycle. MTcbQ.
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    • how do you trigger a dpf regeneration