07 Toyota Tundra Secondary Air Injection Valve
A crafty Toyota driver has engineered an air injection pump bypass module that tricks the trucks computer thinking the pumps and valves are working.
07 toyota tundra secondary air injection valve. The secondary air injection system is part of the emission control system it is mainly used on cold start ups to inject air to reduce exhaust gas emissions after warm up the air injection stops. Both relays are 50 amp bank one is located in slot 45 and bank 2 is located in slot 46. If you live in an area or state that requires emissions tests to register or re register a vehicle then this problem has to be fixed.
Secondary air injectionvalveis located. Mechanic confirmed that the secondary air injection valve was stuck open and that it would be 2800 to repair. The module itself is wired into the mass air flow MAF sensor harness and it gives your Tundras engine computer the impression that the air injection system isnt needed.
Case action covers costs for 2007-2011 tundra with problem but problem existed before 2007. Open and close movement of the air switching valve is regulated by the Vacuum Switching Valve VSVThe air pump and the air switching valve are observed by the Engine Control Module and are used to detect malfunction in this system. Toyota 47L Air Induction Pump Bypass Kit Exhaust Port Plates Code.
The bypass kit can prevent many of the trouble codes caused by a mechanical failure of the secondary air pump or a secondary air valve saving you as much as a 2000-4000 on a repair bill turn off your CEL and keep the vehicle out of limp mode. But there is a hose that runs to where the manifold heat shield is to a what is called Air control valve. The secondary air is supplied by the air pump and it is pumped to the exhaust manifold through the air switching valve.
2007 Toyota Tundra - Secondary Air Injection Control Valve. 2007 toyota tundra 57 need labor time and directions to change the 2ndary air injection valve - Answered by a verified Toyota Mechanic. If the relay is bad replace it with the same amperage rating relay as the original.
I also changed. The secondary air intake system is part of a vehicles emissions control system and works to. Browse Secondary Air Injection Control Valve for your 2007 Toyota Tundra.