What is the function of Non Return Valve?

[leykmekoo]

What is the function of a Non Return Valve (Vacuum Control Valve for Air Emissions System)? Will a missing Non return valve affect engine performance (loss of power)? Or perhaps performance of other parts? My car is 94 BMW 318i Sedan. Thanks

[bellaedward20]

hi
welcome to this forum site,here you can find lots of things.I think you have to suggest from your friends about this query.
Top Ten classified website

- - - Updated - - -

hi
welcome to this forum site,here you can find lots of things.I think you have to suggest from your friends about this query.
Java Tutorial