Most vehicles have two fuel filters. There’s one in the fuel tank, often called a strainer (which costs $25 to $100 and is often hard to access), and there’s one in the main f ...

Manufacturers usually set a replacement interval for fuel filters, though the period can vary widely. A clogged filter can occur at any time, however, and can result in a check engine light or ...

Fuel system components are built to last, so the fuel filter is the only part that’s likely to require replacement on a schedule.