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Re: Euro cars & their silly Additive & Multiplicative fuel trims
Posted to Technical Discussion Forum on 2/17/2015 2 Replies

Please see the PDF link Chuck posted below: [...] [[...]]

Additive is for idle and low load engine operation, is expressed in ms, and is the amount of time the DME will ADD to the injector base on time to correct fuel mixture.

Multiplicative is for off idl... Login to read more.

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