OBD-II code · Powertrain (generic)
P0190 Fuel Rail Pressure Sensor Circuit
The ECU detects an out-of-range signal from the fuel rail pressure sensor. The voltage is outside calibrated min/max boundaries during normal operation.
Is it safe to drive with P0190?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRail pressure sensor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Rail Pressure Sensor, Wiring Harness, Ecm
Related codes
- P018DFuel Pressure Sensor B Circuit High
- P018EFuel Pressure Sensor B Circuit Intermittent/Erratic
- P018FFuel System Over Pressure Relief Valve Frequent Activation
- P0191Fuel Rail Pressure Sensor Circuit Range / Performance
- P0192Fuel Rail Pressure Sensor Circuit Low Input
- P0193Fuel Rail Pressure Sensor Circuit High Input
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.