Strange idling

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SteRuss85
Posts: 5
Joined: 14 Feb 2016, 22:16

Strange idling

Post by SteRuss85 »

My 61 plate C4 1.6 HDi 92 has an occasional thing when it is idling. When it does it the engine note 'pulses' rather than its normal rate. When it does it it has no noticeable change in revs and no drop in performance and it can happen at any time other than on start up.

Anyone got any ideas?