DTC P1290: Cylinder Head Temperature (CHT) Sensor Circuit Low
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P1290 - CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT LOW
| Description: | Indicates a CHT circuit short to ground. | ||
| Possible Causes: |
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| Diagnostic Aids: | A CHT V PID value reading of less than 0.2 volt with the ignition ON engine OFF, or during any engine operating mode, indicates a concern is present. The DTC P0117 may also be reported when this DTC sets. Either of these DTCs illuminates the malfunction indicator lamp (MIL). | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DL . | ||