Replacing a fuel cap is a simple yet crucial task that ensures the proper functioning of a vehicle’s fuel system. A fuel cap, also known as a gas cap, serves as a seal on the fuel tank, preventing fuel evaporation and contamination.
A faulty or loose fuel cap can lead to several issues. It can allow fuel vapors to escape into the atmosphere, contributing to air pollution. Moreover, it can enable dirt and debris to enter the fuel tank, potentially clogging fuel lines and injectors. In severe cases, a missing or damaged fuel cap can cause a check engine light to illuminate, indicating a problem with the vehicle’s emission control system.