Discover the Secret to Enhanced Engine Performance Secondary Air Injection

The secondary air injection system is there to help clean up the leftovers. Fuel needs pressurized air to burn, but as it's being expelled from the engine it's ... The P0411 code generally means that the Secondary Air Injection System is not capable of pushing enough fresh air in its alloted time and 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- ... It should do as the SAI is designed to clean up the exhaust during the warm up phase. The MOT is done on a fully warmed up car, so it should ... In this video we I show you how the secondary air injection system works. This system works the same in most Volkswagen and Audi vehicles. What Does the P0412 Code Mean? Diagnostic trouble code (DTC) P0412 stands for “Secondary Air Injection System Switching Valve 'A' Circuit.” ... Option #1: The most expensive option is taking it to the Dealership and replacing with Factory/OEM Components. On average, most Dealerships will ... I have checked all fuses and relays for the secondary air injection system, all good. Replaced the air injection check valve on the engine along with the ... The generic diagnostic trouble code is related to the emissions system. An air pump brings outside air into the exhaust to help reduce emissions. The secondary air injection system is used on start up to help feed the catalytic converters to reduce emissions under heavy fueling during “ ...