Injection Pump Fuel Metering Control A High
The KUBOTA-P0254 (Kubota) diesel fault code means: Injection Pump Fuel Metering Control A High. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $180-$450 SCV
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Common Symptoms
- Rail pressure over target
- Smoke under accel
Probable Causes (Ranked by Likelihood)
- Stuck SCV (mechanical) Likely
- Shorted SCV circuit Possible
Step-by-Step Diagnostic Procedure
Unplug SCV; if pressure drops, SCV is mechanically stuck open.
Replace SCV.
Frequently Asked Questions
What is Kubota code P0254?
Kubota P0254 means: Injection Pump Fuel Metering Control A High. Serious code -- address promptly to avoid inducement / further damage.
Can I keep using my Kubota with P0254?
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 P0254 cost to fix on a Kubota?
Repair cost range: $180-$450 SCV. Compact-tractor labor is typically $110-$150/hr in 2026.
P0254 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: