OBD-II code · Powertrain (generic)
P0192 Fuel Rail Pressure Sensor Circuit Low Input
The ECU reads a voltage from the fuel rail pressure sensor below the calibrated minimum, indicating short to ground or open supply.
Is it safe to drive with P0192?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to ground
- PossibleSensor failed low
- Less likelyConnector pins corroded - high contact resistance
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
Related codes
- P018FFuel System Over Pressure Relief Valve Frequent Activation
- P0190Fuel Rail Pressure Sensor Circuit
- P0191Fuel Rail Pressure Sensor Circuit Range / Performance
- P0193Fuel Rail Pressure Sensor Circuit High Input
- P0194Fuel Rail Pressure Sensor Circuit Intermittent
- P0195Engine Oil Temperature Sensor Malfunction
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.