Thread: Knocking noise-when idling-2013 Zetec TDCi
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Old 12-05-2017, 09:18 PM   #2
ivorya
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Default Re: Knocking noise-when idling-2013 Zetec TDCi
It's not the DPF regeneration process?

Maybe take it on a freeway run to burn that DPF soot away..
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