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Excessive oil consumption

Excessive oil consumption

Stihl · RZ Zero-Turn Mowers

What does Excessive oil consumption mean?

The engine is using more oil than expected. This could be due to overheating, incorrect oil weight, or overfilling the crankcase.

Common Causes

  • Engine running too hot
  • Using wrong weight oil
  • Too much oil in crankcase

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the engine fins, blower screen, and air cleaner.

  2. 2

    Refer to the engine operator's manual to confirm the correct oil weight is being used.

  3. 3

    Drain excess oil from the crankcase if it is overfilled.

Browse all codes in this manual (9)
Verified technical data. Last updated: April 2026

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Source: Stihl RZ Zero-Turn Mowers
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