Mazda

N326-18880C

N326-18880C 72-7239 1986-1987 Mazda Rx7 - Computer Module ECM ECU

Engine Computers

ECU ECM

An engine control unit (ECU), now called the powertrain control module (PCM), is a type of electronic control unit that controls a series ofactuators on an internal combustion engine to ensure optimal engine performance.

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