
The purpose of the air injection pump is to reduce the startup emissions when the enriched fuel mixture is used in a cold engine. During the cold start, the excess fuel is injected during the cold start before it reaches the catalytic converter. A number of the undesired consequences reach the fuel reaching cats. A huge concentration of the unburnt carbons reduces the efficiency of the fuel. The injection air reaching in the exhaust reacts it the carbon. It fails to burn all of it but improves the emissions causing the temperature increase due to the reaction.
If the fuel content of the exhaust is excess, explosions will occur. A number the fuel explosions might sound like popping that will occur. A number of times when the fuel content is excessive there would be the need to shut off the air injection system. There would be a number of times when one would want to add the air injection diverter that solves the problem. Instead of shutting the air pump off, it diverts the way the air from the exhaust manifold. An air pump diverter allows the air pumped into the exhaust stream. A variety of problems would result when the diverter valve fails.
To ensure that there is efficient oxygen during a reaction, a cold start is used when the mixture is still rich and the air is added to the exhaust flow. The secondary air system is switched off after a number of seconds when it comes to the oxygen reaction. The secondary air could be supplied actively and passively if the pressure in the exhaust system is utilized. The operating temperature is reached quickly through the heat generated in the secondary reaction. When the system is working, the engine control unit is controlled by the engine control unit. Visit here for secondary air injection.
When the system is working, the electric pump is switched on. A valve that opens the vacuum from the intake pipe operating the combination valve. The engine control unit deactivates the electric pump and the pneumatic control valve. When checking the pump from the default, diagnose all the visual checks that should be checked frequently for any damages. A number of parts must be checked for all the possibilities of damages. Assess the possibility of any damages that would be found on the secondary air system. Check all the cables for all the damages that would be present in the wires closely for any damages that would be present. All the parts of the injection pump must be correctly attached. Click here for secondary air injection system repair.
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