1999 Ford Contour "intake manifold vacuum leak" Questions

1999 Ford Contour Vacuum Intake Manifold There is a vacuum leak and it is making a hissin noise but we can not find the leak?????? can you explain it little bit more i might be able to help you

how to find a vacuum leak on a 1999 ford countour 2.0 Check the tube between the engine and the intake manifold. I had one that broke there and the car idled up and the check engine light came on.

idling stall;but pressing gas pedal works Most likely a vacuum leak, check all lines off throttle body and intake manifold.

...the cheapest solution up: #1 check all vacuum hoses for cracks and leaks,#2 check and clean the mass air flow sensor (very carefully),#3 check intake manifold gaskets for leaks, #4 check oxygen ...

...intake manifold. Is there a service bulletin for a 1996 ford contour with this symptom? The code book is vague and suggests a oxygen sensor, MAP sensor, or other sensors. The code book says that bank ...

...intake manifold gasket leak cuz if gasket is alowing to **** air then air/fuel mixtue is off cuz compute cant account fo the extra air added....hope this helps...may try to replace fuel filter if ...

intake manifold gasket. I can't hear any air leaks. My idle bounces between 600 and 800 RPM when stopped at a light. Car runs great even at 250,000 miles. id check for vacumn leaks first,check

intake manifold. It would have to be a pretty big leak to cause the symptom you're having. Please see my tip at http://www.fixya.com/cars/r7427423-fix_poor_idle_high_idle_stalling_fuel . These are

...intake manifold for possible vacuum leaks. If there is a substantial leak, you will be able to detect a hissing sound if you listen closely. Often times the rubber elbows on the vaccuum lines will ...