Mastering Secondary Air Injection The Key to Enhanced Engine Performance

Key Takeaways: · The P0412 code refers to a malfunction in the secondary air injection system's switching valve circuit. · Common causes of the ... The secondary air injection consists of an air pump (that black plastic cylinder-shaped thing next to the exhaust side of the engine) and a valve. Replace the AIR pump and install a new inlet hose and solenoid tube assembly using the following procedure. Shop for the best Secondary Air Injection Check Valve for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto ... The Toyota Air Pump Assembly (#17610-0C030), an essential Engine-Fuel part, plays a pivotal role in the Manifold Air Injection System. An emissions component, that is part of the Secondary Air Injection system, which is responsible for Pumping clean Air into the vehicle's exhaust stream. An emissions component, that is part of the Secondary Air Injection system, which is responsible for Pumping clean Air into the vehicle's exhaust stream. An Emissions Component that is part of the Secondary Air Injection System which is responsible For Pumping Clean Air into the vehicles Exhaust stream. ... and are backed by General Motors. The secondary air system injects air into your vehicle's downstream exhaust system to assist in minimizing emissions. The secondary air injection system aids in the reduction of hydrocarbon exhaust emissions during a cold start-up.