hey guys just swapped a b18c2 into my ek and it is idling rougly around 1600-1700 from cold start and idle doesnt drop once it gets warm untill i turn the engine on and off. then it idles around 1100. so far ive cleaned the fast idle thermo valve and the idle air control valve also changed the ecu (had a spare one) but problem still consists, no check engine light also, any help would be appreciated.
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