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12-28-2010, 07:15 AM
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#12 |
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Senior Member
Join Date: Feb 2007
Location: The Great, white North (Chicagoland)
Posts: 2,483
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Try pinching off the hose that goes to the idle air control valve, and then the one to the pcv. If the noise stops with either of those, replace the offending part. IACs like to hoot this time of year.
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| 4.6l, crown vic, ford, police |
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