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  1. B

    VP 5.0 GXI - Oil pressure drops to zero above 2500 revs.

    On my 2002 5.0 GXI-B engine the oil pressure read normally below 2500 revs but once the engine gets above that the pressure drops to zero and then returns to normal when the revs are reduced. Is this an Oil pressure relief valve issue?
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    VP 5.0 GXI-B wiring issue

    Thanks for your help = replaced the main wire to the ignition switch via the engine cut off and it's working now.
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    VP 5.0 GXI-B wiring issue

    I have a strange wiring issue with one of the engines in my 2004 FourWinns 280 Horizon. Last week everything was working, but not the Port engine will not do anything. I've found 2 issues, but I don't know if they are connected or is they explain the problem - I'm more a mechanic than an...
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    2002 Volvo Penta 5.0 GXi B - Starting problem

    The engine turns over but when it starts to fire it acts as if the ignition is too far advanced and the starter motor has difficulty turning it over. I have a new starter and added a second earth strap. I've also checked the timing and seems ok - My boat is a FourWinns and it's impossible to...
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