Maximizing Fuel Efficiency The Role of Secondary Air Injection

When the van starts and is cold it sputters at the exhaust which has been blamed on the combi. Before I just replaced it I wanted to see how it works and found ... In this 14-minute instructional video, Kent will show you all the components of the engine's air injection system, how to inspect and test them individually ... Replace the AIR pump and install a new inlet hose and solenoid tube assembly using the following procedure. When a code P0410 is set, the PCMis not seeing the front oxygen sensor voltage drop sufficiently when the Air Pump is supposed to be adding outside air in to ... Key Takeaways: · The P0412 code refers to a malfunction in the secondary air injection system's switching valve circuit. · Common causes of the ... The purpose of secondary air injection is emissions control. Yes, that is as exciting as it sounds. On cold starts, engines run a richer air- ... Secondary Air Injection Pump with 1 Socket for 1995-2007 for Chevrolet for Ford for GMC for Lincoln for Mercury for Oldsmobile ADP10802801S 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 ... So I know the pump works. The fuse is still intact. What tells the system to operate? is it temperature related? The secondary air system reduces harmful exhaust constituents during the cold start phase. On this page, you can find out precisely how this works.