Under the radiator, passenger side.
There are several ways to fix the secondary air injection system in a 2005 Chevrolet trailblazer. The most common fix is; changing the air filter.
The secondary air system pump is on the driver side below the battery .
the secondary air injection system is the smog pump and valve. the valve is located on the exhaust manifold with 2 hoses leading to the smog pump which is located under the drivers side floor. it is electric.
If you mean the secondary air injection system used in automotive applications: depending on the year, make, and model of the vehicle, the AIR pump can be located on either the belt drive or as a separate, electronic, pump somewhere in the engine compartment.
Need to know what your question is.
the secondary air injection system on a 200 Chevy s10 is right by the radiator on the passenger side of the engine bay. if you look down there are 4 bolts bolting it to the frame of the vehicle.
On a 1996 Pontiac Grand Prix GTP, the secondary air injection system is located on the passenger side of the engine bay. It typically consists of an air pump mounted near the front of the engine and associated hoses and valves that connect to the exhaust system. The system is designed to reduce emissions by injecting air into the exhaust stream during cold starts. For maintenance or inspection, it's important to access it from the front of the vehicle.
On a 1996 Pontiac Grand Prix, the secondary air injection system is typically located near the engine, often mounted on or near the cylinder head. The system includes components like the air pump, air hoses, and check valves, which work together to introduce additional air into the exhaust system to help reduce emissions during cold starts. For precise location, it's advisable to consult the vehicle’s service manual or a repair guide.
The vehicle will fail an emissions test.
secondary air injection system
On a 2004 GMC Envoy, the secondary air flow injection system is typically located near the engine's intake manifold. It consists of a secondary air pump, which is usually mounted on the engine or nearby, and associated tubing that directs the air into the exhaust system. This system helps reduce emissions during cold starts by injecting fresh air into the exhaust stream. For specific details, refer to the vehicle’s service manual or a repair guide.
Trouble code P0420 means: Secondary Air Injection System