Free API

P0185

PowertrainTemperature Sensorlow severity

Fuel Temperature Sensor B Circuit

What P0185 Means

There is a general fault in the second fuel temperature sensor circuit. The PCM sees a reading outside its expected range.

Symptoms

  • Check engine light on
  • Poor fuel economy
  • Hard starting

Common Causes

  • Faulty fuel temperature sensor B
  • Wiring open or short
  • Corroded connector
  • Faulty PCM

Diagnostic Steps

  1. Retrieve trouble codes
  2. Check sensor resistance against spec
  3. Inspect wiring and connectors
  4. Replace sensor if out of range

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Wiring Data
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