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Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 07-24-2008
ranger_1999's Avatar
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Location: spindale, NC
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Icon5 hmmmmmm

Thats what i hear often...
Its a loudish hmmm nosie coming from the pass side.
I opened the hood and listed sounded like it was coming from the air box, maybe could be the alternator???

Driving i dont hear it, just idling i hear it...Sometimes it goes away too, like itll do it for a little while, then not??

Any diagnoses??
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Old 07-24-2008
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Join Date: Aug 2006
Location: Durham, NC
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The noise is coming from your IAC (Idle Air Control) valve. You can try cleaning it, but more than likely, you will have to replace it.
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Old 07-24-2008
Yessick's Avatar
Join Date: Apr 2008
Location: mobile,Alabama
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you know i hear the same noise accept its in my first and second gear only hear it when accelerating i never heard it when at idle...
i have 3.73's and 33's and oyur setup its much differnt so you might be going threw the same problem as me.. so someone help us! lol
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