Code result
P0193
Fuel Rail Pressure Sensor Circuit High Input
Moderate severity
What it means
The ECU reads a voltage from the fuel rail pressure sensor above the calibrated maximum, indicating short to power or open ground reference.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Signal wire shorted to battery
highOne of the most commonly reported causes for this code — check this first.
Open ground reference
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P0193 freeNo credit card required