What causes a DPF to not regenerate?
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 long does DPF Regen take?
between thirty and sixty minutes
On average, it takes between thirty and sixty minutes to complete a forced regeneration. The substantial heat required for the regen renders the engine and aftertreatment system untouchable until it has time to cool down.
How long does a DPF Regen last?
approximately 45 minutes
Unfortunately, far too often it does not go quite as smoothly. First, as a general rule of thumb, a forced DPF regen should last approximately 45 minutes.
What happens to your engine during DPF regeneration?
During an active DPF regeneration, you may notice the following: Higher idle RPM/Speed Cooling fan working harder Poor fuel economy Smells from exhaust Engine note change
What’s the problem with the DPF on a Toyota?
Their role is to collect and remove excess exhaust soot, by burning it off during the “Regeneration Cycle”. This where the problem becomes evident. The DPF and the engine management system have been failing to effectively burn away these exhaust deposits and in many cases the vehicles are:
How often do DPF regens need to take place?
Many of our clients have seen daily regens go to weekly or monthly regens. It’s that powerful and it happens fast. Normally with the first tank of treated fuel. The soot reduction also means clean EGR valves and emissions sensors, injectors and proper administration of DEF.
Is there anything new about the DPFs system?
There’s nothing new about DPFs. They’ve been around for over 10 years (with earlier versions 30 years ago in underground mining). Their role is to collect and remove excess exhaust soot, by burning it off during the “Regeneration Cycle”. This where the problem becomes evident.