When pulling off and reving between 1000-3000 there is a slight knocking sound. it sounds like it comes from the head or block can you help
thanks michael
Hi
Engine knock, if it is coming from low down in the block, is usually caused by worn big ends, and is more pronounced at idle or under load.
Diesels, however have the added bonus of being able to create a nice knock due bad fuel atomisation, overfuelling, or excess oil burning.
Bad fuel atomisation is usually caused by dirty injectors.
Excess oil burning is usually caused by a worn turbo amongst other things.
Very best regards
Geordie
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