Ford Repair Questions? Ask a Mechanic for Answers ASAP
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The IMRC is what opens the secondary air ports in the intake manifold to allow more air to enter the cylinder under heavy acceleration. The controller in bolted to the left side valve cover (the side towards the radiator). Square module with a cable and electrical connector. The controller is usually what is bad but some times the valve plate rods in the lower intake get sticky and can break the gears in the actuator. Briefly revving the engine to wide open throttle should cause the actuator to move the cable if you have your hand on it you can feel the actuator moving the cable.