Re: Knocking noise-when idling-2013 Zetec TDCi
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I've noticed it twice during DPF regen at idle.
Maybe caused by fuel injection to the exhaust?
Mere surmise:
https://buddwilkins.wordpress.com/20...ious-man-2009/
Last edited by rondeo; 16-05-2017 at 06:19 PM.
Reason: addition
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