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P0182

Fuel Temperature Sensor A Circuit Low Input

The fuel temperature sensor A signal is below the minimum threshold. Likely shorted to ground or open circuit.

  • Check engine light: Yes
  • Emissions related: Yes
  • Repair difficulty: medium

Common causes

Ordered by how often each turns out to be the cause.

  • Signal wire shorted to groundCommon
  • Sensor failed shortedPossible
  • Connector pins corroded - high contact resistanceLess likely

Parts involved

  • Fuel Temperature Sensor A
  • Sensor Wiring

P0182 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.