P1309 - Misfire Monitor Disabled
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1309 - MISFIRE MONITOR DISABLED
| Description: | When the misfire monitor is disabled, usually due to the input signal generated by the camshaft position (CMP) sensor, by sensing the passage of teeth from the CMP wheel. | ||
| Possible Causes: |
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| Diagnostic Aids: | Verify the CMP is installed correctly and is not out of synchronization. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to HD: Misfire Detection Monitor STEP 22 |