fuel cut when max out car.


i dont know abot civics but i know on turbo cars youll need a fuel cut defender and a fuel pressure regulator! or a mapped ecu i can imagine the same applies to n/a cars???
and dont be hitting fuel cut or youll make bits of your engine with detonation
 
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im runing stock ecu my car n/a, there way do it i was told i for got.
 
What spec is your car? Do you mean deacceleration fuel cut?
 
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