P0191High severity

Fuel Rail Pressure Sensor Circuit

The fuel rail pressure sensor is not reading within the expected range.

Safe to Drive?
No

Have this diagnosed before driving further

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$100 - $600
Common Causes
  • Faulty fuel rail pressure sensor
  • Low fuel pressure
  • Fuel pump issue
  • Clogged fuel filter
Recommended Action

Check fuel pressure and replace sensor.

What does P0191 mean?

The P0191 OBD-II diagnostic trouble code (DTC) indicates: fuel rail pressure sensor circuit. This is a high-severity powertrain code that your vehicle's onboard diagnostics system triggers when the fuel rail pressure sensor is not reading within the expected range. If your check engine light is on with this code, you should have the vehicle inspected immediately before driving further.

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