DPF Light FlashingIf you notice the DPF light flashing or staying on, there are a few things to do right away. If the light is on constantly, you should take it to your mechanic. This procedure is called regeneration. The process will take 20-40 minutes. This will prevent further damage to the engin
DPF Regeneration is normally Automatically Done while you are using your Mazda Diesel, however this only occurs after certain distances and engine heat range, the DPF which is part of the Vehicles Exhaust System requires Heat to Burn particulates off.
After the engine has sufficiently warmed up (engine coolant temperature of 80 °C (176 °F) or more), depress the accelerator pedal and drive the vehicle at a speed of 20 km/h (12 mph) or more for about 15 to 20 minutes to eliminate the PM. When “DPF malfunction” is indicated. Contact an Authorized Mazda Dealer.
FAIL-SAFE AND BACKUP FUNCTION. The throttle valve is opened. (Electrical discontinuity) The EGR control is stopped (fully closed). The DPF regeneration is prohibited. The fuel injection amount is restricted. (Output restriction) The open angle of the accelerator pedal is restricted. The AS&G control is prohibited. Particulate Filter DPF Cleaning Regeneration Repair. When you get this warning & your car may be losing power - your DPF filter system needs immediate attention. We will diagnose & repair the root cause of your problem, and clean your filter at a fraction of the replacement cost. BMW, VW, AUDI, SKODA, MERCEDES, JAGUAR, JEEP, CHRYSLER, PORSCHE . 459 58 345 193 110 129 62 305

mazda 5 dpf regeneration procedure