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    Oil pressure drops then backfire/valve tap etc

    Have a 2005 Volvo Penta OSE-3 with 180 hours. When running, the oil pressure gradually drops from 60 to 25 over an hour or so. If running hard (4000 RPM for extended period of time), eventually get a backfire - easing back seems to fix it but recently when coming off plane the pressure dropped...
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    Is Fuel Pump Going Bad?

    Had a corroded connector to my high pressure side of the fuel pump on my 2005 Volvo 5.0 OSi-E which left me stranded. Cleaned the connector and replaced the fuel filter (starts and runs fine now), but now I am getting a very noticeable whine from the high pressure side (which is new or much...
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    Losing Drive Oil

    I have a 2005 5.0 Volvo Penta OSi-E, with 130 hours on it. Had standard 100 service done at 90 hours. The engine has a visible drive oil reservoir, which drops about 1/8 of and inch every couple of hours of use. Had the system pressure checked and came back fine. Is it normal to lose a little...
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    EFI Backfire

    I have a 2005 5.0 Volvo Penta OSi-E, with 130 hours on it. Had standard 100 service done at 90 hours. After 1 or 2 hours of running at 4000 rpm (25 mph) the engine begins backfiring (pop, pop, pop). It loses about 200-300 rpm immediately before the backfire and then returns to normal...
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