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Yanmar 4JH DTE

Slacks

New member
Hi,


I have a yanmar 4jh dte and the problem is that when you in give it throttle there is a delay in RPM, sometimes up to 10 secs or more, the problem is worse when it is in gear. This problem has been going on daily for many years. The engine runs normally once the RPM is up. Does anyone have any idea what could be causing this?


Thanks,
Ross
 
Either remove and replace with a rebuilt unit or have a reputable shop rebuild it. has the problem been getting worse? Hows your fuel quality?

will
 
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