Q: IMRC valve stuck - where is it? on 1999 Ford Escort

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Diagnostic code P1518 sez the intake manifold control runner is stuck open. I can't find any mention of this in the Chilton Repair Manual, and could not find the part at Kragen Auto online. Where is it? How do I check it? and how do I fix it? Thanks!
(2) Answers
(1) Comments
You will find it located on the lower intake. The IMRC actuator is located on the lower intake drivers side. The 2.0 liter engine has an upper & lower intake.
I was able to find some info in my Chilton Manual, sorry it's not much info but hopefully it helps.
Trouble Code: P1518 (2.0L L4 Auto)
Intake Manifold Runner Control Malfunction (Stuck Open)
Trouble Code Conditions:
Engine started, and the PCM detected the IMRC Monitor signal was less than its expected calibrated range at closed throttle. An IMRCM PID of 1v at closed throttle indicates a fault.
Possible Causes:
* IMRC monitor signal circuit shorted to power ground
* IMRC Monitor signal circuit shorted to signal ground (return)
* IMRC actuator is damaged or has failed
* PCM has failed