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In line fuel filter

Engine, transmission, I/O, OB and generator repair and maintenance discussion forum.

Topic author
Wess
Posts: 12
Joined: Sat Apr 21, 2018 7:08 am
Vessel Info: 2002 Martinique 3300
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Been thanked: 1 time

In line fuel filter

Postby Wess » Wed May 20, 2020 1:13 pm

I have an 02 Martinique 3300 with 8.1 horizons powering it. I have been told there is an in line fuel filter besides the water separating filter. I have called Mercruiser and they have verified the engines came with an inline filter. I cannot find the location of the filter. If you look at the parts schematic, it shows the filter but not where it goes. I have followed the gas lines from the tank and have not found it. Looked all the way to the fuel rail on the engine itself. Thanks for any help in advance.


Topic author
Wess
Posts: 12
Joined: Sat Apr 21, 2018 7:08 am
Vessel Info: 2002 Martinique 3300
Has thanked: 1 time
Been thanked: 1 time

Re: In line fuel filter

Postby Wess » Thu May 21, 2020 3:02 pm

Well, I found out it was up to the manufacturer of the boat to put the inline filter in, Wellcraft didn't. No I must figure out what is going on with the engine, it runs fine idle, no wake speed, when I try to get on plane it, the rpms drop and the engine surges. I guess I will have to put a pressure gauge on the fuel rail and see what's happening.

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