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  1. Mazda 6 1st Generation (2002-2008)
    Hello dear Mazda enthusiast. Me and my buddy is working on swapping a 2.0L(LF) engine for a 2.3L(L3) engine, we've swapped all electrical components that make sense to swap (Engine wiring, ECU, BCM, immobilizer / key recognizer, light unit and speedometer) everything seems right and almost...