Need help with a sound!
05-20-2011, 05:31 PM
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Need help with a sound!
I get a hummming noise coming from the hose from the Idle air control valve to where it goes back to the intake tubing. Anyone know what would cause this? Already replace my IAC valve. The other thing is when I turn off my truck it makes a noise out the Evap solenoid. Anyone know? Something cause this? Is there some thing pressureing up the intake maybe or Cats plugged? Any help would be great. Getting sick of cranking up the radio. Its a 97 4.6L F150.!!
05-25-2011, 07:07 AM
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I have a 97 5.4 4x4 it always makes a sound when I get out of it.I hear it and usaly think that it is just a canista or someother way vacum canleak off its kinda like exhaling when you relax...