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Possible turbo trouble

RZP455
RZP455
in Ford Focus Club

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If he didn't remove the DPF then he injected a chemical in to the air intake. that would have to pass through the turbo then, the engine itself, then back through the turbo to get to the DPF. I Dont believe that they contribute much if anything in the way of cleaning the DPFs if they are full. Firstly the car isnt able to pass air through it, so best case, the chemicals, if they survive combustion, will clean the avenues the air can pass out through, ie, the clear / partially restricted ones.

The only way to really clean these things is to remove them and connect them to a high pressure water pump or a ultra sonic bath. 

You could attempt a forced regeneration with an ELM327 device and Forscan, but that will only work if it can get hot enough. 

Check the small print on the "clean" you got, be interesting to see if there is anything in there which says something like, if it doesn't work then tough luck.

 

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