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    Testing oil pump

    I'm trying to figure out if my oil pump is working correctly. I pulled the outlet line off and no oil coming out when engine idling. However, when I loosen the bleed screw on the oil pump, plenty of oil comes out. Why would I be getting oil from the bleed screw but not get oil into the outlet...
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    Oil pump on Mercury 150

    I have one of those annoying oil alarm problems. Have already tested the sensor on the reserve tank and replaced the alarm module ($211 ... ouch!). Unfortunately neither solved the problem. <br /><br />I also disassembled the oil pump and it appears the threads of the shaft are fine and the...
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    Mercury oil alarm

    I have one of those annoying oil alarm problems on my 1998 Merc 150. Never cuts off no matter what I do. I've read this forum extensively about possible causes and solutions, but can't seem to resolve yet without spending hundreds of dollars switching out parts. Three questions:<br /><br />1...
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