What does code P1117 mean on Mazda vehicles?
The engine coolant temperature sensor signal is intermittent, causing unstable temperature readings.
OBD-II Code Mazda
P1117 — Mazda — ECT Sensor Signal Intermittent
The engine coolant temperature sensor signal is intermittent, causing unstable temperature readings.
Common symptoms
- Temperature gauge fluctuation
Possible causes
- Wiring intermittency
- failing ECT sensor
Initial recommendation
Inspect ECT sensor wiring and connectors.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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