Member. : Mazda cx7 sport/2009. Jan 17, 2012. #2. Did you read the owners manual about this? I would like to guess that since its a diesel,The dpf light means that the DPF (Diesel Particulate filter) needs regeneration, meaning that there should be a switch you flip on with a engine symbol that will start the regeneration process,the enginevehicle speed will be limited to 5 mph until DEF is detected in the tank. Flashing • The parked regeneration may take up to 40 minutes. • The parked regeneration is complete when the engine returns to idle and the DPF lamp remains off. The HEST light may remain on, but the vehicle can be driven.
Dpf light flashing. 2007 mazda 5 furano 2.0 diesel serviced and light reset but after 400 miles comes back on dpf filter removed and remapped each time the light is reset it comes back on after 400 miles. Posted by Tom Woodall on Jul 02, 2014.
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