On my 1978 Camaro one vacuum line goes to the EGR valve and the other goes to the carbuerator.
check your vacuum hoses check your vacuum hoses
When this happened to me it was the three vacuum hoses on the transfer case switch were on wrong. There is a nipple on the switch and a hole in the vacuum hoses.
First check the vacuum hoses visually then with the engine running, spray carb cleaner at the suspected areas. When you spray a cracked area the engine rpms will increase.
m50 engines do not have a pcv valve. they have a oil separator system in which reduces oil flow through the intake manifold. its a fitting on the front drivers side of the valve cover, it had two hoses vacuum hoses connected to it one is ported vacuum and the other is unported. (in back of and front of the throttle plate).
Radiator hoses,Heater hoses,Power Steering hoses,Air Conditioning hoses,Vacuum hoses,
There are more than a dozen vacuum hoses in your Chevrolet S 10 pickup truck. The majority of the vacuum hoses are connected to the transmission and the air cleaner. The vacuum hoses are also connected to the fuel injection system.
There are many vacuum hoses, consult a repair manual.
If your Silverado is like most other cars today, it will use vacuum hoses to change the distribution between each setting. The vacuum in the hoses is created usually by the engine, and transferred to the switch you use in the cabin. Now if there is a slight split or crack in one of the hoses or one is loose this will lose the vacuum, which is why it will not change setting because there is no negative pressure to force the setting to change.
vacuum hose from window washer to where it runs from small hoses running under the window
Radiator hoses? Heater hoses? Vacuum hoses? EVAP hoses? Need more info to help you.
vacuum leak. check the hoses for cracks in vacuum hoses or intake.
The vacuum hoses are very important in a 1991 Beretta. Without the vacuum lines, the engine will not run properly, and the power brakes will not function.