Home / OBD-II Codes / P0119
OBD-II Code

P0119 — Engine Coolant Temperature Circuit Intermittent

The coolant temperature sensor signal is intermittent and the ECU receives unstable temperature readings

System Engine
Severity Medium
Safe to drive? Not recommended
Advanced scanner Not necessarily

What does code P0119 mean?

The coolant temperature sensor signal is intermittent and the ECU receives unstable temperature readings

Common symptoms

  • Unstable temperature gauge
  • irregular cooling fan operation
  • fuel consumption variations

Possible causes

  • Intermittent connector contact
  • internal wiring breaks
  • failing ECT sensor

Initial recommendation

Inspect connector, secure wiring harness and replace sensor if readings remain erratic.

Safety notice

This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine code P0119 with your vehicle's actual symptoms for more complete diagnostic guidance.

Go to the app View more codes