KUBOTA-P0093 serious Kubota ›

Fuel System Leak Detected - Large

The KUBOTA-P0093 (Kubota) diesel fault code means: Fuel System Leak Detected - Large. This is a serious severity code.

My Garage →
Keep driving?
No — stop driving
DIY difficulty
intermediate
Estimated cost
$120-$400 lines, $900-$2,800 injector

What Are the Symptoms of KUBOTA-P0093?

  • Strong diesel smell
  • Derate, low rail pressure paired

What Causes KUBOTA-P0093? (Most Likely First)

  • Leaking high-pressure fuel line Likely
  • Injector return line cracked (common on V3307 high hours) Likely

Can I Still Drive with KUBOTA-P0093?

No — stop driving. KUBOTA-P0093 is rated serious severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.

Frequently Asked Questions

What is Kubota code P0093?

Kubota P0093 means: Fuel System Leak Detected - Large. Serious code -- address promptly to avoid inducement / further damage.

Can I keep using my Kubota with P0093?

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 P0093 cost to fix on a Kubota?

Repair cost range: $120-$400 lines, $900-$2,800 injector. Compact-tractor labor is typically $110-$150/hr in 2026.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose KUBOTA-P0093?

  1. Clean bay, run engine, look for weeping lines.

  2. Check injector return flow balance per Kubota WSM.

Sources 1

This page is built from documented references. Verify against your own service info before repair work.

  • SAE J2012Diagnostic Trouble Code Definitions (defines P0093 as a generic OBD-II code)

P0093 on Other Platforms

The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:

Gas / Automotive (OBD-II) Generic OBD-II definition for P0093 Hino serious Fuel System Leak Detected - Large Leak Isuzu serious Fuel System Leak Detected - Large Leak Yanmar serious Fuel System Leak Detected - Large

Which Vehicles Commonly Get KUBOTA-P0093?

  • Kubota BX1880 / BX2380 / BX23S sub-compact tractors
  • Kubota L2501 / L3301 / L3901 utility tractors
  • Kubota L4060 / L4760 / L5060 / L5460 grand L tractors
  • Kubota M5-091 / M5-111 utility tractors
  • Kubota M6S-111 / M7060 / M7-132 / M7-152 tractors
  • Kubota MX5400 / MX6000 utility tractors
  • Kubota SVL65-2 / SVL75-2 / SVL95-2s skid steer loaders
  • Kubota SSV65 / SSV75 skid steer loaders
  • Kubota RTV-X1100C / RTV-X1140 / RTV1140CPX utility vehicles
  • Kubota generator sets (GL, GR, SQ series)

Explore More

More Kubota codes → Diesel home All diesel codes Heavy-duty Guides

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