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- searay merc 5.0 spits and sputters after ab out 20 min running
searay merc 5.0 spits and sputters after ab out 20 min running
I have a 99 searay sundeck 5.0 mercriser that's runs great for 20 minutes then spits and sputters like a bad feel pump
But does not die I found that when I hit the trim switch and pull a major load on the power it comes out of it temporarily.
it does this every time I take it out. I have also found that if the alternator power wire is disconnected it will not doit and run fine till battery goes dead. I have replaced the alternator and it still does it .
Please help with any ideas
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