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Lookup Exhaust Valves & Sensors (EGR, EGTS, NOx)

Use our Exhaust Valves & Sensors (EGR, EGTS, NOx) lookup to find products matched to your specific vehicle

Opie Oils have made it as simple as possible to find the right exhaust valves and (or) sensor to keep your vehicle running at its optimum, just use our lookup to find products matched to your specific vehicle.

Your vehicle's exhaust system's basic function is to funnel toxic fumes away from the passenger compartment. However, many exhaust systems nowadays also process the fumes to reduce environmental impact as well as reducing engine noise. Good quality exhaust parts help maintain your vehicle's performance and safety.

Remember: a good, working exhaust system is required for an MOT pass so it is very important to keep all of the components well serviced.

Lookup Exhaust Valves & Sensors (EGR, EGTS, NOx)

Find Exhaust Valves & Sensors (EGR, EGTS, NOx)...

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Exhaust Valves & Sensors

The EGR valve (Exhaust Gas Recirculation) is an anti-pollution device designed as a method of reducing the amount of nitrogen oxide expelled from the vehicle. As the engine heats up the oxygen and nitrogen in the engine's combustion chamber can combine to form nitrogen oxide. EGR valves work be recirculating a precise portion of engine fumes back through the engine. These recycled, carbon dioxide rich exhaust fumes cool the engine and displace some of the oxygen that would otherwise be drawn into the engine. Because the engine is cooler and the oxygen levels are lower less nitrogen oxide is produced.

The Exhaust Gas Temperature Sensor (EGTS), which is located in front of the Diesel Oxidation Catalyst (DOC) and/or in front of the Diesel Particulate Filter (DPF), detects exhaust gas temperature and converts it into a voltage and feeds back to the engine ECU with the voltage signal in order to control engine conditions to reduce emissions effectively.

Nitrogen oxide sensors (NOx Sensor) are typically a high-temperature sensor built to detect high levels of nitrogen oxides within exhaust emissions of an automotive vehicle. Sensing the gases is only half of the process, the reason these devices are in place is to trigger a re processing, or loop back system, which traps NOx, commonly referred to as combustion optimization.

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