I'm about to start on modding my ride, first off I'm going to improve the breathing and am getting the skunk2 intake mani. Some people experience power loss in low-mid band. This is probably because they need to slightly tune the A/F ratio.

Now, there are a couple of computers on the market which help you adjust these settings. But am I not wrong in thinking that all fuel injection cars (atleast Honda's) come with their own computer to control the amount of fuel to inject by sensing the amount of air being pumped in?

If so, why is this comp no use when people add a relatively minor mod like a better flowing intake mani?

 

Adjustable Fuel Pressure regulator

 

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