Diagram Secondary Air Injection System

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The secondary air injection system (sais) is part of a vehicle’s exhaust system. Manufacturers began introducing it in the 1960s to help reduce hydrocarbon and carbon monoxide emissions,. The secondary air injection system, is actually a component of the exhaust system. Since no internal combustion engine is 100% efficient, there will always be some unburned fuel.

Working principle the working of an air injection system is less complex and can be easily understood. In its working, the air. Secondary air injection system diagram. Check out this secondary air injection system diagram. There is a separate integrated air filter if the air is not drawn in from the. Once the air relay is activated, the pcm checks voltage on the power feed to the air pump. If it detects a problem on the secondary side of the relay, it sets one of two codes; The secondary air injection system (air) switching valve is the computer controlled valve that controls the air injection into the exhaust system of the engine (this valve may be integral to. A failed secondary air injection pump is far from the worst thing that can happen to your car, but it can be annoying.