P0198
Engine Oil Temperature Sensor Circuit High
2002-2002 Mazda B2300 2.3L I4
Low SeverityPowertrainGeneric (SAE)
The 2002 Mazda B2300 is equipped with a 2.3L inline-4 engine. Below you'll find detailed p0198 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
High voltage from the engine oil temperature sensor.
Symptoms
- Check Engine Light
- Low oil temp reading displayed
Common Causes
- Open circuit
- Faulty sensor
- Disconnected
Diagnostic Steps
- Test voltage
- Check for opens
Repair Notes
Repair or replace.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0198 on Other Vehicles
Common Questions
What does code P0198 mean on a 2002-2002 Mazda B2300?
P0198 stands for "Engine Oil Temperature Sensor Circuit High". High voltage from the engine oil temperature sensor.
What are the symptoms of P0198 on a Mazda B2300?
Common symptoms of P0198 include: Check Engine Light, Low oil temp reading displayed.
What causes P0198 on a 2002-2002 Mazda B2300?
Common causes of P0198 include: Open circuit, Faulty sensor, Disconnected.
Last updated: March 2026