Engine Error
P0198
Engine Oil Temperature Sensor High
Severity
Medium
Symptoms
Cooling fans run constantly, warning message on dash, limp mode
Common Causes
- Short to voltage in EOT circuit
- Open circuit or unplugged sensor
- Failed EOT sensor
- Actual engine overheating condition
How to Fix
- 1 Repair short to battery voltage
- 2 Plug in sensor or repair broken wire
- 3 Replace EOT sensor
- 4 Check coolant level and cooling system
Estimated Repair Cost
USD
$50
–
$300
Wiring repair: 100; EOT sensor: 80 - 200