P1116 – Engine Coolant Temperature Sensor Range/Performance (Nissan)
Description
The ECM detected an ECT sensor signal outside the expected range.
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Compare Diagnostic ScannersSymptoms
- Poor fuel economy
- Hard starting
- High idle
- Check engine light
Causes
- Faulty ECT sensor
- Low coolant
- Air pockets in system
- Wiring issues
- ECM signal error
Diagnosis
- Test sensor output
- Inspect wiring
- Check coolant level
- Bleed cooling system
- Scan live data
Repair
- Replace ECT sensor
- Repair wiring
- Refill coolant
- Bleed system
