A fuel pump is a critical component in an internal combustion engine that delivers fuel from the tank to the engine. There are two main types of fuel pumps: mechanical and electric.
- **Mechanical Fuel Pumps**: Typically used in older vehicles with carbureted engines. They are driven by the engine's camshaft or crankshaft and are less common in modern vehicles.
- **Electric Fuel Pumps**: Found in most modern vehicles with fuel-injected engines. They are usually located inside the fuel tank and are responsible for delivering fuel under high pressure to the fuel injectors.
**Functions of a Fuel Pump**:
1. **Fuel Delivery**: It ensures a steady flow of fuel from the tank to the engine.
2. **Pressure Regulation**: It maintains the necessary pressure for efficient engine operation.
3. **Fuel Efficiency**: A properly functioning fuel pump helps in achieving optimal fuel efficiency.
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