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A module in a vehicle used to monitor and control many components of the vehicle's engine management system. Calif. ECC. Engine Control Computer. Engine Control Module (ECM). Engine Control Unit (ECU). General Purpose Embedded Control Unit. PCM. Powertrain Control Module. Engine Control Module
Fits 3Mazda3; 2.3L; Manual Trans; California. W/O MAZDASPEED, 2.3L, California, manual trans.
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