Free API
P0187low severityPowertrain

Fuel Temperature Sensor B Circuit Low

on 2004 Ford Taurus 3.0L V6 Vulcan · FWD

What this code means

The second fuel temperature sensor is reporting an abnormally low voltage. This usually points to a short to ground or a failed sensor.

Symptoms

  • Check engine light on
  • Rich or lean running
  • Poor fuel economy

Common causes

  • Short to ground in wiring
  • Failed fuel temperature sensor B
  • Corroded connector
  • Faulty PCM

Diagnostic steps

  1. Read trouble codes
  2. Check signal voltage at sensor
  3. Inspect wiring for short to ground
  4. Replace sensor if faulty

Other Powertrain codes on this vehicle

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