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excessive black smoke

We took a 2011 Doosan D30S-5 in on a trade. Has a Yanmar 4TNE98 engine. Seems to run fine, but when you rev the engine, there is excessive black smoke and the engine seems to be louder than a normal Yanmar that I have heard before. Any ideas what could be the issue. One of my techs said the injector pump could off timing a little. One tech says it could be an injector. Any advice is appreciated. thanks
  • Posted 11 Nov 2023 06:37
  • By Darin_Lamarr
  • joined 11 Nov'23 - 1 message
  • Texas, United States
Darin Lamarr
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First of all, the injektor pump and injectors need to be checked. Also make smoke adjustment via pump.
  • Posted 23 Jun 2025 07:29
  • Modified 23 Jun 2025 07:51 by administrator
  • By marksmith
  • joined 26 May'25 - 11 messages
  • United Kingdom
forkliftmanual.com
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