Sistem Bahan BakarEFI(Electronic Fuel Injection)

PRINSIP DASAR EFI

Syarat Motor BakarBahan BakarUdaraPanas/api

Fungsi Sistem Bahan BakarMengalirkan dan mencampur bahan bakar dengan udara ke ruang bakar dengan diperoleh perbandingan yang sesuai

Perbandingan Udara dan Bahan Bakar

Pencampuran Bahan Bakar KendaraanManualElektronikKarburatorECUSist BBSist Air Inductance

1967mobilVWsudah mengaplikasi sistem injeksi dengan unit pengontrol elektronika.Toyota sejak 1971 mulai mengembangkan sistem EFI (electronic fuel injection). Dan 1979, Toyota sudah mengekspor mobil berteknologi EFI seperti Crown dan Cressida.Sejarah EFI

Prinsip Dasar EFISensorECUAktuator

KLASIFIKASI JENIS EFI

Klasifikasi Jenis EFIJml InjectorTempat InjectorDeteksi Udara

Berdasarkan Jumlah InjektorSingle PointMulti Point

Berdasarkan Penempatan InjektorDirect InjectionIndirect Injection

Berdasarkan Deteksi UdaraD JetronikL Jetronic

PERBANDINGAN EFI DG KARBURATOR

Karburator

Elektroni Fuel Injection

Saat Start

Saat Cuaca Dingin

Saat Akselerasi

Saat High Power Output

PENGONTROLAN PADA SISTEM INJEKSI

Kontrol Utama(Injeksi Dasar)

Kontrol KoreksiKontrol Volume & Timming Penyemprotan

Kontrol Utama

Kontrol Koreksi

Kontrol Volume dan Timming Penyemprotan

SISTEM SISTEM PADA EFI

Air Inductance Sistem

Fuel Sistem

Electronic Control System

Sistem Tambahan

Sistem Tambahan

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