1999 Mercury Mystique "vacuum hose" Questions

Vacuum hose that goes from the brake booster to the intake mainifold for a 1995 Mercury Mystique Have a hole in the vacuum hose that goes from the brake booster to the intake mainifold. Can not find a

...vacuum hoses first. First check for vacuum leak from a hose. If none are found switch that top O2 Sensor (upstream) If this persists after all that you may have an intake vacuum leak. ...

vacuum hose routing diagram need to know where a line goes. from the intake tube between the throttle body and the airbox. the hose is rotted off and the car is loosing a lot of vaccum. I need a ...

...hose. Auto Zone thought it was a blown spark plug so I replaced all the plugs and wires. That didn't help. It still make the noise and whatever is causing it is making the check engine light come on ...

...hose. Check Engine light came back on 3 days after garage and is now Reading PO420 Catalyst System Efficiency below threshold. Basically the mechanic will make sure don't need a tune up. or have ...

...door which directs air to go through the heater core may be inoperative due to bad actuator or vacuum leak. Is the cooling system full ? radiator , over flow bottle

...to the engine. Take it off and clean it, and the air passages it sits over. Be looking also for a vacuum or air leak. Check the ends of the vacuum hoses for splitting or cracks that

...and it will only go about 30 mph. someone told me it might be a oxygen sensor. Is that true This could also just be a vacuum hose or your fuel filter needs replacing. catylitic converter ...

...mystique esp: at idle any idea what is causing this problem? first thing is to check for any split vacuum hoses that are leaking, then clean throtle body with cleaner,(thrtle body cleaner) if this ...

...hose going to it from the intake manifold or a vacuum source The PCV ---- NEVER needs to be replaced They DO NOT FAIL Clean it with brake clean & forget it It has no effect on your engine what so ...