The EGR vacuum delay valve is a with a small opening, which slows down a vacuum signal.
EGR Vacuum delay valve significanceThe EGR vacuum delay valve is commonly utilized in vehicles to change the behavior of vacuum switches, motors, and additional vacuum mechanisms. The engine vacuum is also a source of information on the engine's load. Most of the delay valves have a specific function, where there is either no limitation or no movement in one direction.
Common problems with a defective vacuum delay valveA defective vacuum delay valve can lead to poor engine performance, an increase in emissions, and poor fuel economy.