The benefits you can get from a simple emissions check are quite a lot but this fact is not as widely spread as it should be. That's the exact reason we will talk about emission checks in today's blog. Let's get right into the matter and start off with a simple explanation about what this procedure actually is:
What is A Emission Check
Emission checks involve analyzing the gasses and pollutants emitted by a vehicle's exhaust system. By measuring the concentration of specific emissions, inspectors can assess the vehicle's compliance with established emission standards. However, as we mentioned above, emission checks do more than just assess environmental impact; they can also identify potential problems within the vehicle's engine and emission control systems.
Detecting Engine Performance Issues
Malfunctioning Oxygen Sensors
Oxygen sensors play a crucial role in monitoring the air-fuel mixture in the engine. Emission checks can reveal if the oxygen sensors are malfunctioning or providing inaccurate readings, which can lead to inefficient fuel combustion and increased emissions.
Faulty Catalytic Converters
Emission checks can identify issues with the catalytic converter, a vital component that reduces harmful pollutants. A failing catalytic converter may result in increased emission levels, indicating the need for repair or replacement.
Emission checks can detect engine misfires by analyzing the exhaust gasses. Misfires can lead to incomplete combustion, resulting in increased emission levels and reduced engine performance. Identifying misfiring cylinders allows for targeted repairs or tune-ups to restore optimal engine operation.
Evaporative Emission Control System Problems
The evaporative emission control system prevents fuel vapors from escaping into the atmosphere. Emission checks can uncover issues with components such as the gas cap, charcoal canister, or purge valve, which, if faulty, can lead to increased emissions and fuel evaporation.
Identifying Emission Control System Malfunctions
Exhaust Gas Recirculation (EGR) System Problems
The EGR system reduces nitrogen oxide (NOx) emissions by recirculating a portion of the exhaust gasses back into the combustion chamber. Emission checks can flag problems with the EGR valve, such as clogging or malfunction, which can impact engine performance and emissions.
Positive Crankcase Ventilation (PCV) System Issues
The PCV system regulates the flow of gasses from the engine's crankcase. Emission checks can reveal if the PCV valve is clogged or malfunctioning, leading to increased emissions and potential engine damage.
Air Injection System Malfunctions
The air injection system introduces fresh air into the exhaust stream to promote complete combustion. Emission checks can identify issues with components such as the air pump or diverter valve, which, if not functioning correctly, can result in increased emission levels.
Do you want your vehicle to have a quick emission check performed, but you don't know a place in Atlanta? If so, make sure to visit us at Atlanta Car Care! And for all other car-related issues, you can also stop by so we can take a look.