Humming problem
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New User
Joined: Aug 2010
Posts: 1
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Humming problem
I have a 93 ranger 2.3 and I started to hear a high pitched hum coming from the engine area. When I accelerate or or let off the gas, you can hear it, but when I push in the clutch to change gears it stops. It kind of sounds like a little jet engine. Its not like the whine in the power steering, its more of a loud constant hum. Anyone else have this problem or know what it could be?
Elder User
Joined: Apr 2004
Posts: 966
Likes: 1
I have seen other posts in the past bringing up an IAC (idle air control) unit going bad and making a noise. Take a look in the tech info section (at top of page on this website) under IAC for some general information regarding cleaning it.
