Mazda 3 1.6i Denso Z634ED0W Z634ED000.HEX 48L51000

Firmware for Mazda 3 AT,

engine: 1.6 petrol,

control unit: Denso,

software version: Z634ED0W Z634ED000.HEX 48L51000,

catalyst control (Euro 2) is disabled in firmware. You can remove the connector from the bottom oxygen sensor.