Question about 2001 Ford Focus
Check for a vacuum leak ( possible hissing noise ) on some of the larger vacuum lines.
Posted on Sep 08, 2009
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Posted on Jan 02, 2017
Not to mention the condition of the fuel pump which is a weaker link in this vehicle.Key on/eng off cycles this pump for 3 seconds and that gives you some opportunity to listen for this pump in the fuel tank. New units sound smooth and quiet...a failing pump sounds louder and squeelish. After replaceing that suspect filter (located along the driver side frame rail under seat) have a listen to the
pump and they work about like they sound it seems.Verify fuel pressure if possible.
Posted on Aug 22, 2009
That sounds more like lack of fuel pressure due to worn pump, plugged fuel filter, or defective fuel pressure regulator. The engine computer should be read with a rented scanner to determine the area of the trouble. Don't just replace parts until it runs--usually, a very expensive repair process. If the engine uses a rubber timing belt to the cams, the mileage is about right to change it (them) too (as a precaution). Hope this helps!
Posted on Jan 10, 2010
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