Lexus LS460 1UR-FE Denso 89663-50440

Firmware for Lexus LS460,

engine: 4.6 petrol, 1UZ-FE,

control unit: Denso,

software version: 89663-50440,

in the firmware, the catalyst control (Euro 2), EGR valve, and EVAP tank purge are disabled. You can remove the connectors from the lower oxygen sensors.