Engine alarm Glow Plugs Yanmar 4BY2-150 Turbo Diesel

Diane Perry

New member
Joined
Aug 23, 2024
Messages
4
Location
Vancouver WA
Fluid Motion Model
R-25 Classic
Hull Identification Number
2010 25SC
Vessel Name
Mi Amor
I have a 2011 Ranger TugR-25SC with a Yanmar 4BY2-150 Turbo Diesel.

An engine alarm sounds upon starting with no code. My Yanmar engine diagnostic i5601E will not display a code by holding the far right button. After the engine warms up, I can turn the engine off, restart and there is no alarm sound.

I found a post on Tugnuts that the Glow Plugs caused a similar issue.

Can someone provide me a picture/diagram of where the glow plugs are located? I have removed the engine covers and can only see the fuel injectors but no glow plugs. Crossing my fingers that the glow plugs are not located under a valve cover/intake manifold etc. and are easily accessible.

Appreciate any help for a fellow boater.
 
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