It is responsible for measuring the pressure inside the tank and uses this information to alert the vehicle’s internal computer when it detects a leak in the fuel system.
LOCATION
In most vehicles, it is integrated into the fuel tank or fuel pump module. In some cases, although rare, it may be located inside one of the vapor hoses of the fuel pump assembly.
COMMON FAULT SYMPTOMS
- Component wear
- Connector problems
- Membrane breakage
POSSIBLE FAULT SYMPTOMS
- Check light on
- Unstable running or irregular idling
- Problems starting the vehicle
- Fuel smell
