Injector Circuit - Cylinder 5
The YANMAR-P0205 (Yanmar) diesel fault code means: Injector Circuit - Cylinder 5. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $250-$800
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Common Symptoms
- Misfire cyl 5, rough idle on 6-cyl Yanmar 6LY marine
Probable Causes (Ranked by Likelihood)
- Injector harness Likely
- Failed injector Possible
Step-by-Step Diagnostic Procedure
Ohm-test injector 5.
Swap with adjacent cylinder to verify.
Frequently Asked Questions
What is Yanmar code P0205?
Yanmar P0205: Injector Circuit - Cylinder 5.
Can I keep operating with Yanmar code P0205?
Limited operation only -- finish task then shut down.
How much does Yanmar P0205 cost to fix?
Typical cost: $250-$800. Yanmar SmartAssist / YDT diagnostic software is often required.
P0205 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: