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2004 - 115hp Mercury EFI will start intermittently

Kelliher

New member
The past month I have been cleaning and replacing everything fuel related for my engine. Long story short, I have fuel at my rail but when trying to start it, it wants to start but just barely won't. When I give it too much gas it gets worse. I got it to start once and I had to keep it around 2000rpms. But if I let off, it stalls.

One thought I have is, when I cleaned out my fuel rail I used compressed air and I decided to do the same thing with my fuel pressure regulator. My guess is that I tore that diaphragm inside??

Any insight is greatly appreciated. Thanks in advance.
 
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