Drop the key. Get the key wet. Expose the key to any kind of magnetic field. Expose the key to high temperatures on places such as the dashboard or hood, under direct sunlight. If the engine does not start with the correct key, and the security indicator light keeps illuminating or flashing, the system may have a malfunction. 2006 Mazda 6: diesel..dpf warning light flashing which has been solved I have a 2006 Mazda 6 diesel which has done 105,000 miles. I have had three instances of the DPF warning light flashing which has been solved by taking to local dealership. The DPF light is flashing. I have already been to 3 specialists. Everyone has a different version. I have the code P2459. Dpf, it is not clogged. 1.service, lambda probe.2 service we have to do an investigation because we do not know. (found that there is pressure on the DPF) 3 service, we will rinse the DPF chemically and then look for further

My 2008 (1st Gen) 2.0 TS has had its DPF light flashing for almost 2 years with no obvious detriment to performance. Mazda 6 1st Generation (2002-2008)

The DPF warning light is currently flashing and this has occurred at the end of a 280 mile trip on motorways. I am advised that the DPF should have regenerated during a journey like that but clearly it did not. The car has been serviced recently. When this has happened in the past the Mazda Dealer has "reset" the warning light and changed the oil.
Mazda 6 1st Generation (2002-2008) Engine / Drivetrain. 2.0 diesel 2006 mazda 6 check engine light dpf limp mode. Jump to Latest
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mazda 6 dpf light flashing reset