[W126 Coupe] Intermittant high idle question

[Dick Spellman]

Well here is a subject that has only been explored 15,000 times.  Actually, I just need to know what to use in cleaning the air valve.  I get a racing (1100-1300rpm) at times and if I wait a minute the racing drops to normal idle.  When I pull the air valve connector while the car is racing and move the plug in and out a few times the racing drops to normal idle.

So, I am fairly confident it's this metal cylinder with two black hoses coming off of it at the front of the engine.

Do I just pull this outa there and juice it up with carb cleaner and replace or is there some other method???

Thank you,

Dick
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