Engine Error
P0190
Fuel Rail Pressure Sensor Circuit Malfunction
Severity
High
Symptoms
Engine stalling, hard start, lack of power, check engine light
Common Causes
- Defective Fuel Rail Pressure (FRP) sensor
- Low fuel pressure from bad pump
- Damaged wiring to FRP sensor
- Clogged fuel filter
How to Fix
- 1 Test and replace FRP sensor
- 2 Perform manual fuel pressure test
- 3 Repair damaged wiring
- 4 Replace fuel filter
Estimated Repair Cost
USD
$100
–
$600
FRP sensor: 150 - 300; Fuel pump diagnosis: 150+