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Diagnose/P0192
P0192Medium SeverityFuel System

Fuel Rail Pressure Sensor Circuit Low Input

What This Means

The fuel rail pressure sensor voltage is below the minimum expected threshold. This sensor monitors actual fuel pressure in the rail to ensure proper fuel delivery to the injectors.

Common Symptoms

  • Hard starting
  • Engine stalling
  • Loss of power
  • Poor fuel economy

Common Causes

  • Faulty fuel rail pressure sensor
  • Weak fuel pump
  • Clogged fuel filter
  • Fuel line restriction
  • Wiring issue

Estimated Repair Cost

$150 – $600
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

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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.