EVAP System Failure and Diagnostics

EVAP System Failure and Diagnostics

Evaporative Emissions Control System (EVAP) What Does The EVAP System Do? The evaporative emissions control system (EVAP) on your vehicle is designed to prevent fuel vapors  from escaping into the atmosphere from your gasoline tank. Why? Fuel vapors are composed of hydrocarbon molecules (HC) which when exposed to sunlight and oxides of nitrogen (NOx) result […]

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