P0192: Fuel rail pressure sensor circuit low input
Drive carefully. Get it checked within a week or two.
Can I drive with P0192?
Yes, but drive carefully and get it checked soon. Signal wire shorted to ground; vehicle may enter reduced power mode.
What does P0192 mean?
P0192 stands for Fuel Rail Pressure Sensor Circuit Low Input.
Symptoms you may notice
- Engine sputters or cuts out under heavy acceleration
- Long cranking time before engine starts
- Loss of engine power when driving up hills or highway speeds
How much does it cost to fix?
Repair costs for code P0192 depend on the specific underlying root cause, ranging from simple DIY checks to component replacement. The table below lists the most common causes and rough price ranges in USD:
- Signal wire short to ground
- Defective fuel rail pressure sensor
- Loss of 5V reference power
- Connector corrosion
What to do next
- Check reference voltage (5V) and ground at the sensor connector.
- Inspect harness for rubbing against engine brackets.
- Replace fuel rail pressure sensor.
Last updated: October 2026
Related codes
General guidance only, not a professional diagnosis. If the check-engine light is flashing, or the car is running rough, overheating or losing power, stop driving and get help.
About this code
Code P0192 registers when sensor voltage drops below 0.2V. The vehicle can typically limp home safely.