2005 Chevy Trailblazer Secondary Air Injection System Malfunction. P0410 means the system is not working. By definition the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. The 2005 Chevrolet Trailblazer has 6 problems reported for secondary air pump failure. Also check to make sure it works properly by listening for it when you start the vehicle.
The 2005 Chevrolet Trailblazer has 6 problems reported for secondary air pump failure. The TSB calls for the replacement of the AIR pump and the installation of a new secondary injection hose. BTW the dealer code failure was P0490. I have replaced the Secondary air injection control valve which I bought from the dealer. The TSB can be found on this ACDelco site. 2005 Chevrolet Trailblazer Secondary air injection system.
By definition the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system.
If the air pump is working correctly replace the position 1 o2 sensor meaning the sensor on the exhaust manifold. SECONDARY AIR INJECTION SYSTEM 2005 Chevrolet Trailblazer SHOW ME A PICTURE OF THE SECONDARY AIR INJECTION SYSTEM PUMP AND WHERE IS IT LOCATED AT. Secondary Air Injection Check Valve and Air Pump replacement procedure done on a 2005 Trailblazer. I have replaced the Secondary air injection control valve which I bought from the dealer. Update 10-14-10 ended up the secondary injection system went had to change took about an hour but iv not had it since come on. P0410 and P0128 codes 2005 chevy trailblazer LS My 2005 Chevy Trailblazer is running rough when it is cold and put in drive.