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All Journal Jurnal Penelitian Teknologi Informasi dan Sains
Setyadmaja, Daffa Ilham
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Computer Science & IT

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Pengaruh Variasi Air Fuel Ratio dan Sudut Pengapian Menggunakan ECU Standar dan ECU Aftermarket terhadap Konsumsi Bahan Bakar Motor Bensin 125 LED Setyadmaja, Daffa Ilham; Hadromi Hadromi; Rizqi Fitri Naryanto
Jurnal Penelitian Teknologi Informasi dan Sains Vol. 4 No. 3 (2026): September: JURNAL PENELITIAN TEKNOLOGI INFORMASI DAN SAINS (JPTIS)
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jptis.v4i3.4869

Abstract

Fuel consumption efficiency is an important aspect of modern automotive technology because it is closely related to operational costs, energy efficiency, and environmental sustainability. In electronic fuel injection (EFI) engines, fuel consumption is influenced by combustion parameters such as the Air Fuel Ratio (AFR), ignition timing, and the Electronic Control Unit (ECU). This study aimed to analyze the effects of AFR variation and ignition timing using standard and aftermarket ECUs on the fuel consumption of a gasoline motorcycle 125 LED motorcycle. An experimental method with a factorial design was employed using two ECU types, three AFR settings (12.5, 13.5, and 14.7), and three ignition timing settings (standard, +2°, and +4°). Fuel consumption tests were conducted at engine speeds of 3000 rpm, 5000 rpm, and 7000 rpm. The obtained data were analyzed using descriptive statistics followed by Three-Way Analysis of Variance (ANOVA). The results indicate that AFR, ignition timing, and ECU type produce different fuel consumption characteristics at each engine speed. The combination of an aftermarket ECU with appropriate AFR and ignition timing settings provides better fuel consumption efficiency than the standard ECU.
Co-Authors Hadromi Hadromi Rizqi Fitri Naryanto