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Electronic Fuel Injection The Electronic Fuel Injection ( EFI ) often falls under the so called Engine Management System. There are plenty variants and names for this systems, but here for easy of understanding, we'll describe the basics of it and the theory of operation separate from the emission control or other systems. |
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EFI |
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| Principles & Tests: | Electronic Fuel Injections: | How To: | |
| Overview | Single Point Injection | Diagnose EFI systems | |
| Fuel Pump | Conventional EFI | Clean electronic injectors | |
| Fuel Pressure | Double EFI | ||
| Sensors | Sequential EFI | ||
| Injectors | Multi Point EFI | ||
| Fuel Return | Diesel EFI | ||
| Canister Purge Valve | |||
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