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My engines vaccum is at low levels


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My engines vaccum is at low levels because of the tall camshafts and i have some issues with the map sensor. The sensors values is very low (>=80 kph sensor reads but engines vaccum is lower) and i can’t fix the map of fuel. Where i can find to adjust it to take lower values or be more sensitive?

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The MAP sensor needs to read accurately for the fuel calculation to work properly so you shouldnt go "fudging it" to make it more sensitive.  Does it read the same as the BAP sensor with engine off?

If you have a weak map signal then you will probably be better to use TP as the load axis on your fuel table



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