DTC P0198: Engine Oil Temperature (EOT) Sensor Circuit High Input
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0198 - ENGINE OIL TEMPERATURE (EOT) SENSOR CIRCUIT HIGH INPUT
| Description: | Indicates EOT signal voltage is high (low temperature). | ||
| Possible Causes: |
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| Diagnostic Aids: | An EOT V PID reading greater than 4.5 volts with the key on engine off (KOEO) or during any engine operating mode indicates an open circuit hard fault. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to DY: Engine Oil Temperature (EOT) Sensor STEP DY2. | ||