You can't....those "nonsense" sensors are what makes the EFI work. You need to get an after market harness (is it a speed density or mass air flow stsyem?) to wire into the existing wiring. I'm going to assume the engine and EFI came out of the same car? Just need to tell the vendor the orgine of the engine. Most of the after market systems will be a four wire hook up, 12V keep alaive, 12V start, 12V run and a ground. There will also be a hook up for the fuel pump.