Code result

P0186

Fuel Temperature Sensor B Circuit Range/Performance

Moderate severity

What it means

Fuel temperature sensor B reading is within electrical limits but implausible (no warmup change, disagrees with sensor A or ambient).

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

  • Sensor drifted

    high

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

  • Sensor stuck

    medium

    A plausible cause — test and verify before replacing parts.

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