My idle issues re-revisited (now with more FSM!)

[Whizbang]

so this is what the FSM wants me to do:

"check that throttle valves operate smoothly" {checked, worked fine}
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"inspect air intake system for leaks" {possible}
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"check accelerator cable" {checked, worked fine}
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"check operation of bypass air control BAC" {unplugged, seems to idle lower}
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"check operation of air bypass soleniod" {currently unplugged}
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"check operation of air supply valve" {currently unplugged}
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"check 3B terminal voltage at control unit" {????}
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"check idle speed" {hard to check since problem is random}
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"check timing" {possible?}
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"confirm fast idle cam releases from roller" {possible}
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"check operation of dashpot" {seemed fine when i checked it}
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"check air flow meter" {dont have a spare}
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"check air bypass valve" {not sure how that would effect things}
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"check fuel pressure"
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"check control unit"