2000 Ford Excursion "4 intake vacuum leak" Questions

intake frame at the top of the engin but the vacuum lines for the vacuum systeme are more than one which one you main. any way use this methode to check for leaking hoses. A small piece of vacuum hose

...4 Fuel injectionor engine control systems malfunction. 5 Vacuum leak at the intake manifold or vacuum hoses. 6 Restricted air filter. 7 Fuel pump or pressure regulator defective. Could be evap purge ...

...leak problem, when your engine surges. To make sure that this is correct spray either where all vacuum leaks can occur 1) Vacuum Lines 2) Lower Intake Gasket 3) Upper Intake Gasket 4) Head ...

...4 is misfiring Hi The misfire could be being caused by a number of things, such as: 1. Worn/dirty spark plug - Clean/replace spark plug/s 2. Spark plug lead breaking down - Replace spark plug lead 3. ...

...or leaking vacuum connections.3.) insufficient fuel flow.4.) Plugged vent of charcoal canister (if equipped). intake manifold leaking water and drowning out number 1, 2, 3, or 4 spark plug or ...

4 ox senors before I replaced intake man. gaskets. It is a 97 chevy W/Truck with a V6 auto, auto trans. 2WD. now service engine soon light came on after about 200 miles, it will go off for a while and

...4? How's your coolant level? The intake manifolds on the 3.8L engines are prone to breakage at various locations causing coolant leaks into the crankcase and vacuum leaks on intake ports.Removal of ...

...4-cylinder), the cause may be intake gaskets or bad or unhooked vacuum hoses attached to the intake manifold. Check all vacuum hoses for cracks or loose connections. Replace any suspect hose. To find ...

...a propane torch (DO NOT LIGHT!!) Open torch valve (1/4 turn) And slowly take torch around intake manifold. Wherever torch is and causes increase in R P M's There is where your leak is. Hope this ...

...4 cylinder mustang at idle going up and down in rpms. and i also have an issue with loosing power as of late at speed. It could be a significant air leak somewhere. It could be a vacuum hose-cracked, ...