Devi Septiyani, Bahtiar Wilantara, Ismail Kholid and Sidik Purnomo 2023. Analysis of O2 Sensor Troubleshooting on Exhaust Gas Emissions and Fuel Consumption at Piksi Ganesha Indonesia Polytechnic. Jurnal E-Komtek (Elektro-Komputer-Teknik). 7, 2 (Dec. 2023), 347-356. DOI:https://doi.org/10.37339/e-komtek.v7i2.1547.