Quote:
Originally Posted by sw20kosh
Do I assume that the tune will be all off if I replace my stock map sensor with an omni 4 bar or k series sensor?
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There are several manifold pressure based fueling / load compensation tables in the rom. If you change the sensor without re scaling the sensor in the rom, the reading will be all off which will give a false input for the comp tables which will throw off the fueling and the load reference the ecu uses
At a minimum, you need a rom with correct sensor scaling for the sensor you will use.