Fuelcut at 50% Dutycycle
Posted: Tue Aug 29, 2023 7:51 pm
Hello,
currently i´m running a custom PCB based on an STM32F407 dev board and i´m using the STM Discovery Firmware.
The Engine is a BMW M44B19, 1.9l 16V nat. asp. unmodified.
I´m currently running MAF. The Engine runs fine so far, easy starting, good idle. But if i drive around and reach a point when the dutycycle of the injectors reaches 50% the ECU cuts all fuelinjection until i release the throttle. In the log i see Fuel Error Code 10 (MaxDutycycle error) while the fuel is cut. I tried running in sequential and batch mode, no difference.
What could be the coulprit? I cant find anything in the configuration where a max. Dutycycle could be configurated.
Thanks in advance
Tune and Log: https://rusefi.com/online/view.php?msq=1534
currently i´m running a custom PCB based on an STM32F407 dev board and i´m using the STM Discovery Firmware.
The Engine is a BMW M44B19, 1.9l 16V nat. asp. unmodified.
I´m currently running MAF. The Engine runs fine so far, easy starting, good idle. But if i drive around and reach a point when the dutycycle of the injectors reaches 50% the ECU cuts all fuelinjection until i release the throttle. In the log i see Fuel Error Code 10 (MaxDutycycle error) while the fuel is cut. I tried running in sequential and batch mode, no difference.
What could be the coulprit? I cant find anything in the configuration where a max. Dutycycle could be configurated.
Thanks in advance
Tune and Log: https://rusefi.com/online/view.php?msq=1534
