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Idle too high? 200 1985

I replaced the intake manifold gasket on my B21FT engine last week and now the idle seems too high after the car warms up. Cold idle is about 1100 RPM(after I plugged IAC back in) and the same for idle under load. But warm idle no load is about 1500 RPM. I seem to remember something on the board a couple of weeks ago about adjusting CIS and maybe having to bypass it to set base idle? I looked in the archives but all the links seem to be broken. Can anyone help me out on this?






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