You have to jack up the front end, and take off the front two tires. Check the tread wear. If its good your good to go!
p0412 on a 2000 Malibu is secondary air injection system valve A malfunction-
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.
Under the radiator, passenger side.
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.
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.
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.
secondary air injection system
The vehicle will fail an emissions test.
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