P0193
Fuel Rail Pressure Sensor Circuit High
System: Fuel
Severity: medium
What does P0193 mean?
The DTC P0193 (Fuel Rail Pressure Sensor Circuit High) is a fault code stored by the ECU when it detects a rail sensor high condition in the fuel subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0193
- Failed pressure sensor
- Wiring short to power
How to fix P0193
Replace sensor.
Tuning approach with DaVinci Deluxe
For P0193, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Sensor scaling
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