Ignition The FA20D engine had a direct ignition system whereby an ignition coil with an integrated igniter was used for each cylinder.
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In contrast to a conventional throttle which used accelerator pedal effort to determine throttle angle, the FA20D engine had electronic throttle control which used the ECM to calculate the optimal throttle valve angle and a throttle control motor to control the angle.
The mass air flow meter also had a built-in intake air temperature sensor.