Check MyEngine Light
P0190Starts at: Get it checked this week

Fuel rail pressure sensor circuit problem

This sensor reads the fuel pressure in the fuel rail, the pipe that feeds the injectors. The computer found a problem with the sensor or its wiring.

Fuel and airFix: Best left to a shop

What usually causes it

  1. A failed fuel rail pressure sensor
  2. A loose plug or damaged wiring
  3. A fuel pump or pressure regulator problem
  4. A fault in the engine computer, which is not common

What to watch for

  • Hard starting or stalling
  • Weak power, mostly when you press hard on the gas
  • The car goes into a low power mode

Can I keep driving?

We rate P0190 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 P0190

What does P0190 mean?

Fuel rail pressure sensor circuit problem. This sensor reads the fuel pressure in the fuel rail, the pipe that feeds the injectors. The computer found a problem with the sensor or its wiring.

Can I keep driving with P0190?

We rate P0190 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 P0190?

The most common causes, in order: A failed fuel rail pressure sensor; A loose plug or damaged wiring; A fuel pump or pressure regulator problem; A fault in the engine computer, which is not common.

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.