KUBOTA-P0087 critical Kubota ›

Fuel Rail Pressure Too Low

The KUBOTA-P0087 (Kubota) diesel fault code means: Fuel Rail Pressure Too Low. This is a critical severity code.

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Keep driving?
No — stop driving
DIY difficulty
intermediate
Estimated cost
$20-$60 filter, $600-$1,500 HP pump
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Common Symptoms

  • No start / long crank
  • Derate or stalling under load

Probable Causes (Ranked by Likelihood)

  • Plugged fuel filter (MX/M7 interval is 400 hrs) Very Likely
  • Contaminated or old fuel in seasonal equipment Likely
  • Failed suction control valve on HP pump Possible
  • Worn HP pump Less Likely

Frequently Asked Questions

What is Kubota code P0087?

Kubota P0087 means: Fuel Rail Pressure Too Low. Critical code -- stop operating until repaired.

Can I keep using my Kubota with P0087?

Critical fault -- do not operate; tow or trailer to a dealer. Use Kubota Diagmaster software (dealer tool) for full diagnostics.

How much does P0087 cost to fix on a Kubota?

Repair cost range: $20-$60 filter, $600-$1,500 HP pump. Compact-tractor labor is typically $110-$150/hr in 2026.

Mechanics Guide Step-by-step diagnosis

Step-by-Step Diagnostic Procedure

  1. Replace fuel filter (Kubota 1G311-43380 equivalent) and prime.

  2. Drop fuel sample in clear jar and inspect.

  3. Scan rail pressure target vs. actual in Diagmaster.

Sources 1

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

  • SAE J2012Diagnostic Trouble Code Definitions (defines P0087 as a generic OBD-II code)

P0087 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 P0087 Bobcat critical Fuel Rail Pressure Too Low Duramax critical Fuel Rail / System Pressure Too Low Hino serious Fuel Rail / System Pressure Too Low Isuzu serious Fuel Rail / System Pressure Too Low PACCAR serious Fuel Rail Pressure Too Low Perkins critical Fuel Rail Pressure Too Low Yanmar critical Fuel Rail Pressure Too Low

Commonly Affected Vehicles

  • 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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