P0197
Engine Oil Temperature Sensor Circuit Low
2003-2003 Mazda MX-5 Miata 1.8L I4
Low SeverityPowertrainGeneric (SAE)
The 2003 Mazda MX-5 Miata is equipped with a 1.8L inline-4 engine. Below you'll find detailed p0197 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Low voltage from the engine oil temperature sensor.
Symptoms
- Check Engine Light
- High oil temp reading displayed
Common Causes
- Short to ground
- Faulty sensor
Diagnostic Steps
- Test voltage
- Check for shorts
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
P0197 on Other Vehicles
Common Questions
What does code P0197 mean on a 2003-2003 Mazda MX-5 Miata?
P0197 stands for "Engine Oil Temperature Sensor Circuit Low". Low voltage from the engine oil temperature sensor.
What are the symptoms of P0197 on a Mazda MX-5 Miata?
Common symptoms of P0197 include: Check Engine Light, High oil temp reading displayed.
What causes P0197 on a 2003-2003 Mazda MX-5 Miata?
Common causes of P0197 include: Short to ground, Faulty sensor.
Last updated: March 2026