Throttle body

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Donyell

Donyell

Junior Member
Joined
Jan 8, 2020
Posts
12
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5
Location
Newport News va
Ram Year
2000
Engine
5.2 magnum
Throttle body hissing when idling then goes away then comes back then goes away again . What is this ?


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crazykid1994

crazykid1994

Senior Member
Joined
Sep 21, 2013
Posts
5,041
Reaction score
4,969
Location
Florida
Ram Year
2017
Engine
Hemi 5.7
Either vacuum leak or iac is fluctuating open and closed. Maybe pull the iac and clean the port it came out of. Sometimes it gets gummed up and won’t let the truck idle properly.
 
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