P0191
Fuel Rail Pressure Sensor Circuit Range/Performance
Generic code
Fuel and Air Metering
High severity
Hard repair
Free on OBD DashX
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What P0191 means
- The fault code P0191 indicates that there is a problem with the fuel rail pressure sensor circuit. This may cause the engine to operate improperly, and may also result in poor fuel economy.
Possible symptoms
- Illuminated check engine light
- Reduced engine power or acceleration
- Engine stalls or hesitates during acceleration
- Poor fuel economy
Possible causes
- Damaged fuel rail pressure sensor
- Faulty wiring or connections in the circuit
- Failed engine control module (ECM)
Related parts
- Fuel Rail Pressure Sensor: Fuel rail pressure sensor measures the fuel pressure in the fuel rail. This car has a problem in its fuel rail which may lead to poor fuel economy & poor acceleration
Possible solutions
- Replace the fuel rail pressure sensor
- Check and repair any damaged wiring or connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0191 on OBD DashX
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