P0192

High Severity

Fuel Rail Pressure Sensor Circuit Low

Fuel System

What Does P0192 Mean?

Fuel rail pressure sensor reads too low. Could be a sensor fault or actually low fuel pressure.

Common Fix

Replace fuel pressure sensor or fuel pump

Estimated Cost (DIY)

$30 - $300

Symptoms

  • ⚠️Loss of power
  • ⚠️Engine stalling
  • ⚠️Hard starting
  • ⚠️Rough running

Common Causes

Faulty sensorlikely
Weak fuel pumppossible
Clogged fuel filterpossible
Fuel line restrictionunlikely

How to Diagnose P0192

  1. 1Check fuel pressure with mechanical gauge
  2. 2If actual pressure is fine, replace sensor
  3. 3Check fuel filter
  4. 4Test fuel pump

OEM Diagnostic Flowchart

Scroll to load technician if/then branches.

Ready to fix it yourself?

Find My Vehicle Repair Guide →

Select your exact vehicle for a personalized step-by-step guide

Related Resources

Repair guides, symptom pages, and wiring diagrams related to P0192.

Frequently Asked Questions

Can a bad fuel pump cause P0192?
Yes — if actual fuel pressure is low, the sensor is reading correctly and the fuel pump or filter needs attention.
How to tell sensor vs pump?
Compare the sensor reading to a mechanical fuel pressure gauge. If they match and pressure is low, the pump is weak. If mechanical gauge shows normal pressure, the sensor is bad.

Related Repair Guides

If your vehicle has triggered P0192, these DIY repair guides may help:

Browse all vehicle repair guides →

Need a diagnosis for your specific vehicle?

Start Free AI Diagnosis →

100% Free — No signup required