What does code P0191 mean?

Fuel Rail Pressure Sensor Range/Performance: The fuel rail pressure sensor is reading outside expected parameters.

P0191 is rated as high severity. Address soon — may cause further damage.

P0191

Fuel Rail Pressure Sensor Range/Performance

Powertrain Code · High

What does P0191 mean?

The fuel rail pressure sensor is reading outside expected parameters.

System: Fuel System

P0191 is a powertrain diagnostic trouble code indicating fuel rail pressure sensor range/performance. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.