Device controlled by the engine control unit, which under certain conditions absorbs vapors from the fuel tank into the intake to reduce pollutant emissions.
LOCATION
The fuel tank vent valve is a component of a vehicle’s emission control system. The location may vary by vehicle manufacturer and model, but it is usually located above the canister tank.
COMMON FAULT SYMPTOMS
- Obstruction or blockage
- Valve stuck in open or closed position
- Fuel vapor leaks
- Engine error codes
- Fuel cap problems
- Electrical or connection problems
FAULT EFFECTS
- Increased pollutant emissions
- Emissions test problems
- Bad gasoline odor
- Starting problems
- Engine warning light on
- Slight decrease in engine performance
