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MacPhee52

DPF problems

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My husband bought Nissan navara, 66plate. At 5k miles dpf light came on. Garaged cleared. At 11k same thing happened, then 500miles later same thing. Then at 16k same thing again. Has anyone else had this very annoying problem?

 

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Does the car get extended runs at any time?

Usually, the DPF blocks up because it is driven around town at low revs and it needs to be run for an extended period on Motorways at a constant speed/revs to regenerate the DPF system.

Otherwise, it will always fail in service

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Go on the freeway and drive car at 3000rpm for at least 10min. It should kick start the regeneration process and clear DPF

 

Alternatively idle the car at 3000rpm for 15 min .

 

The DPF clogging up will always be a constant thing as long  as u dont driver the car for a long enough period(30min at least ) on the freeway regularly so that u get to temps required to regenerate engine. 

 

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