Yes, most modern cars have a fuel filter located inside the fuel tank, often as part of the fuel pump assembly. This filter is commonly referred to as a “fuel strainer” or “in-tank fuel filter.” Its primary purpose is to:

1. **Filter Out Contaminants**: It helps to remove dirt, debris, and other contaminants from the fuel before it is pumped to the engine.

2. **Protect the Fuel Pump**: By filtering out impurities, it helps protect the fuel pump and other components of the fuel system from damage.

3. **Ensure Proper Fuel Flow**: A clean filter ensures that fuel can flow freely to the engine, which is essential for optimal performance.

In addition to the in-tank filter, many vehicles also have an external fuel filter located along the fuel line, which provides an additional layer of filtration. It’s important to follow the manufacturer’s recommendations for maintenance and replacement of these filters to ensure the longevity and efficiency of the fuel system.