Power steering leak

Ok well it's just weird I move my steering wheel to the left or to the right and my idol stays at 850 rpm but if my wheel is strate than my idol is higher ?

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I think there may be a power steering switch which when activated lets the ecu know to open up a valve to let more air into the engine to maintain a good idle etc. should be in the manual.
So looking on old schematics and can not find that stupid valve must be on back of the block ? If I could only speak [emoji627] I would have it naked down lol

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