Fuel Rail Pressure Sensor Circuit High
The KUBOTA-P0193 (Kubota) diesel fault code means: Fuel Rail Pressure Sensor Circuit High. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $200-$480 sensor
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Common Symptoms
- Stall on hot restart
- Power loss
Probable Causes (Ranked by Likelihood)
- Signal wire shorted to 5V Likely
- Failed FRP sensor Likely
Step-by-Step Diagnostic Procedure
Disconnect FRP; if signal drops to 0V, sensor is at fault.
Frequently Asked Questions
What is Kubota code P0193?
Kubota P0193 means: Fuel Rail Pressure Sensor Circuit High. Serious code -- address promptly to avoid inducement / further damage.
Can I keep using my Kubota with P0193?
Serious fault -- you can move the machine to a shop but don't run it under load. Use Kubota Diagmaster software (dealer tool) for full diagnostics.
How much does P0193 cost to fix on a Kubota?
Repair cost range: $200-$480 sensor. Compact-tractor labor is typically $110-$150/hr in 2026.
P0193 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: