1999 Ford Escort Q&A
1999 Ford Escort Question: IMRC valve stuck - where is it?
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 - Bret Bodas
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. - Visitor