Firmware for the car Fiat Doblo,
engine: 1.4 petrol,
control unit: Marelli IAW 5,
software version: 0713S42E 51798637,
in the firmware, the catalyst control is disabled (Euro 2) and chip tuning is made with an increase in power and torque by 8-10%. You can remove the connector from the bottom oxygen sensor. App drain.
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