P0198 OBD II Trouble Code Engine Oil Temperature Sensor High

How to diagnose, repair, as well as symptoms and causes of a P0198 engine code which is a high voltage signal from the engine oil temperature sensor. Also includes links to relevant forum topics on the code.

Symptoms of P0198 OBD II Trouble Code

Common Causes of P0198 OBD II Trouble Code

Severity of P0198 OBD II Trouble Code