P0116
ECT Sensor 1 Circuit Range/Performance
1996-1999 BMW 318i E36 1.9L I4 M44
Moderate SeverityPowertrainGeneric (SAE)
Description
The ECT sensor reading is not changing appropriately as the engine warms up.
Symptoms
- Check Engine Light
- Poor fuel economy
- Overheating concern
- Fan issues
Common Causes
- Stuck thermostat
- Faulty ECT sensor
- Air pocket in cooling system
- Low coolant
Diagnostic Steps
- Monitor ECT warmup curve
- Test thermostat
- Check for air in system
- Test sensor
Repair Notes
Replace thermostat or ECT sensor. Bleed cooling system.
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
P0116 on Other Vehicles
Common Questions
What does code P0116 mean on a 1996-1999 BMW 318i E36?
P0116 stands for "ECT Sensor 1 Circuit Range/Performance". The ECT sensor reading is not changing appropriately as the engine warms up.
What are the symptoms of P0116 on a BMW 318i E36?
Common symptoms of P0116 include: Check Engine Light, Poor fuel economy, Overheating concern, Fan issues.
What causes P0116 on a 1996-1999 BMW 318i E36?
Common causes of P0116 include: Stuck thermostat, Faulty ECT sensor, Air pocket in cooling system, Low coolant.