DTC P1538: Intake Manifold Runner Control (IMRC) Stuck Open (Bank 2)
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Mariner, and 2006 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1538 - INTAKE MANIFOLD RUNNER CONTROL (IMRC) STUCK OPEN (BANK 2)
| Description: | This DTC is set when the vacuum actuated IMRC is commanded closed, but the IMRC monitor indicates open. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the IMRC and IMRCM PIDs. The IMRCM state should change when the IMRC is commanded open or closed. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HU . | ||