Firmware for car Toyota Tundra first generation
engine: the 4.7 VVT-i petrol, 2UZ-FE,
control unit: Denso,
software version: 89663-0C281,
the firmware disabled the control catalyst (Euro 2), the system ventilation for fuel tank EVAP errors in the fuel mixture (lean/rich) and made the chip-tuning with increasing power and torque by 10%.