Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
MHPAUTOS
AUTOMOTIVE REPAIR CONTRIBUTOR
31,937 POSTS
P0193 - Fuel Rail Pressure Sensor Circuit High Input
Possible causes.
Excessive resistance in the circuit
- Low or no fuel
- Wiring harness connector of the fuel pressure sensor
- Fuel Rail Pressure Sensor
- Fuel Pump
Dec 26, 2010 at 1:36 PM
BMDOUBLE
AUTOMOTIVE REPAIR CONTRIBUTOR
1,139 POSTS
verify the fuel pressure with a gauge then with a scan tool look at the FRP PID and compare them, if they are more than 3 psi off, replace the sensor, especially if there are driveability symptoms.