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2015 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
14 active safety recalls on this vehicle — view recalls
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Repairs418Labor995Torque7006Fluid18DTC3798Battery2Maintenance0Recalls14
P0188low severityPowertrain

Fuel Temperature Sensor B Circuit High

on 2015 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The second fuel temperature sensor is reporting an abnormally high voltage. This usually points to an open circuit or a failed sensor.

Symptoms

  • Check engine light on
  • Erratic fuel trim
  • Reduced performance

Common causes

  • Open circuit in wiring
  • Failed fuel temperature sensor B
  • Corroded connector
  • Faulty PCM

Diagnostic steps

  1. Retrieve trouble codes
  2. Measure signal voltage at sensor
  3. Check wiring for open circuit
  4. Replace sensor if faulty
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Other Powertrain codes on this vehicle

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