P0191 - Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1
P0191 is a generic powertrain diagnostic trouble code indicating Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1. It relates to the Fuel & Air Metering system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Fuel & Air Metering |
| Fault Index | 91 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P0191 mean?
The dtc/">diagnostic trouble code P0191 represents Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
Detailed diagnostic guides and specific fix procedures for code P0191 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P0191
What does P0191 mean?
The diagnostic trouble code P0191 represents Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P0191?
The P0191 code is located in the vehicle's Powertrain network.