P0185 OBD II Trouble Code Fuel Temperature Sensor B Circuit Malfunction

Symptoms of P0185 OBD II Trouble Code

  • There will likely be no symptoms from the conditions for a P0185 being stored
  • Other fuel composition codes may be present
  • MIL illumination will eventually occur

Common Causes of P0185 OBD II Trouble Code

  • Defective fuel temperature/consumption sensor B
  • A bad ambient temperature sensor
  • Faulty intake air temperature sensor
  • Open, shorted, or damaged wiring or connectors
  • PCM or a PCM programing error

Severity of P0185 OBD II Trouble Code

Fuel temperature is monitored by the PCM to calculate fuel delivery strategy in flex fuel vehicles so a code P0185 should be treated as severe.