Code result

P0119

Engine Coolant Temperature Circuit Intermittent

Moderate severity

What it means

The ECU detects intermittent signal dropouts on the engine coolant temperature (ECT) sensor circuit. Fault not constantly present, typically due to loose connector, chafed wiring or a sensor failing thermally.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • ECT connector loose or corroded

    high

    One of the most commonly reported causes for this code — check this first.

  • Sensor fails when warm

    medium

    A plausible cause — test and verify before replacing parts.

  • Wiring chafed near hot engine parts

    medium

    A plausible cause — test and verify before replacing parts.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose P0119 free

No credit card required