1994 Pontiac Bonneville "vacuum hose" Questions

leak. Runs bad at start up. Look for cracked and gummy vacuum hoses on the manifold. You may find one disconnected. Sometimes you can get by with shortening the hose slightly and then connect it back.

vacuum cap / hose, broken hose, or fallen off hose. If nothing found, get a couple cans of carb cleaner and carefully and methodically spray down the intake, along all vacuum lines in a 1 second burst

...vacuum hose connected to it. pull of the hose and check it for wear like cracks or hardening of the rubber. If it looks ok, reconnect it to the egr and start the engine while it is cold and with the ...

...vacuum line from the engine to inside the controls and the hose sometimes breaks at the engine you will need to take a good look at the vacuum line at the engine intake area. hope this is helpful. ...

...hose of some sort should go? there is also a small round filter next to the open line.does this line require some sort of in line filter or regulater? This is the power brake booster vacuum line, the ...

Scan said map or MAF/VAF or vacuum hose off.Runs bad cold but ok after warm up. Can't find any vacuum leak How do you check sensors? Change the mass air flow sensor,

i need a diagram for the a/c vacuum hoses on the inside of the car. 97 Bonneville No vac. hoses for the ac on this car. The air blend doors are electronic actuators.

...vacuum hose or in the vacuum connector on the pressure regulator. There could be a leak in the diaphram allowing fuel to enter the engine through the vacuum hose resulting in poor fuel mileage and ...

...vacuum hose connection. On electrically operated systems: The dial temp switch, electric door position motor, blend door position sensor, photo diode sunload sensor or the ATC control module is ...

...up here . No kidding. It's minus 26 right now in Montana where I am. What actuator was that? The vacuum controlled doors are probably the problem. If both heater hoses are hot, coolant is ...