How to fuel system pressure test a #Volvo #Penta 5.7 V8 in a later model Chaparral boat. The #BadGas is a product of storage for many years without flushing the fuel system with clean fuel. The fuel we removed was brown in color, like varnish and has a distinct odor.
We've tested the fuel system by removing both Schrader valve caps on the fuel rail and water separator to find the pump is creating pressure and separator is getting fuel. The main tank has been drained and flushed with fresh fuel and the fuel filter replaced with new and topped off with clean gasoline.
The engine will start with the use of an external fuel such as brake clean, so we know the electronics are working fine. Letting a boat sit for any length of time is a bad thing.
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