Idle Higher in Park and Neutral
#1
Idle Higher in Park and Neutral
I finally managed to get my 81 F100 (inline 6 - Carter YFA Carb) running more smoothly but now that's it's back and working it reminded me of a problem it has. Simply, it idles higher in park and neutral. Is this a vacuum issue. Is this an IAC issue? Does this truck even use an IAC? Thanks in advance.
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