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Diagnose/P0185
P0185Low SeverityFuel System

Fuel Temperature Sensor B Circuit Malfunction

What This Means

The secondary fuel temperature sensor B circuit has a malfunction preventing normal operation. This redundant sensor provides backup temperature monitoring for the fuel system.

Common Symptoms

  • Check engine light on
  • No driveability change
  • Minor fuel calculation error
  • Monitoring disabled

Common Causes

  • Faulty sensor
  • Wiring issue
  • Connector damage
  • Circuit fault
  • PCM failure

Estimated Repair Cost

$75 – $300
Parts and labor (varies by vehicle and location)
Difficulty:Easy

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.