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Skipper
Posts: 8
Registered: ‎03-10-2016
Accepted Solution

Lower RPM after replacing injector.

I have a 2008 115 etec. Recently replaced the number 3 fuel injector and it seems to be running 300 to 400 RPMs less than it previously did. Has newer spark plugs and fuel filter.
Admiral
Posts: 6,334
Registered: ‎07-14-2011

Re: Lower RPM after replacing injector.

 

 

Any rpm loss would have to be tested by a trained tech with a laptop and diagnostic software as well as fuel pressures, compression test, and linkage operation.  Air temperatures and elevation will affect top rpm also.

 

 

 


"There is never just one thing wrong with a boat";
                    -- Travis McGee, main character in a book series by John D. McDonald 


 



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The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.

The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.