Re: 2002 Ranger 2.3L Trouble Code P1516
Make sure the wires are all hooked up and that the runner can open with nothing in the way.
Code P1516-Intake Manifold Runner Control (IMRC) system did not respond properly to PCM command. The PCM expects to see the IMRC switch open when the IMRC is opened during high engine load or high engine speed operation The IMRC switch did not open. Testing: Check the IMRC for normal operation as described. Check for a shorted switch or short circuit in the
IMRC switch wiring.