What usually causes it
- A failed fuel rail pressure sensor
- A short in the wiring
- Fuel pressure that really is too high, from a bad regulator
- A bad connection at the engine computer
P0193Starts at: Get it checked this week
Fuel rail pressure sensor signal is too high
This sensor reads the fuel pressure in the fuel rail, the pipe that feeds the injectors. Its signal is higher than it should be.
What to watch for
- Hard starting or stalling
- Rough running or black smoke
- A strong smell of gas
Can I keep driving?
We rate P0193 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
Quick answers about P0193
What does P0193 mean?
Fuel rail pressure sensor signal is too high. This sensor reads the fuel pressure in the fuel rail, the pipe that feeds the injectors. Its signal is higher than it should be.
Can I keep driving with P0193?
We rate P0193 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
What usually causes P0193?
The most common causes, in order: A failed fuel rail pressure sensor; A short in the wiring; Fuel pressure that really is too high, from a bad regulator; A bad connection at the engine computer.
Estimates only. A mechanic should confirm. The same code can mean slightly different things on different cars; the app explains it for your exact year, make, model and mileage.