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    Lost of Pressure in Vapor Seperator

    Losing pressure in vapor seperator. Electric pump will give me 38 PSI for the first 30 seconds, just like the Mercury Manual states, after the 30 seconds pressure is down to zero. Checked injectors and hoses no injectors are stuck open and no leakage at hoses, also checked pressure regulator it...
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    Number 1 & 2 Injectors not Firing

    Seem to have lost fire to # 1 & 2 injectors. Checked all wiring from injectors back to ECU harness wiring checks out, on mult-meter. Also inverted Switch Boxes, problem still there. Jumpered 3 & 4 to 1 & 2 and problem moved to 3 & 4. Does anyone have any suggestions before I take the big plunge...
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    Troubled 175 EFI

    ODDD1 Thank you for your suggestions. Sorry I haven't replied sooner. Busy completing a new garage to house the boat. I did check on the cost of those parts at Mercury Parts Express and the cost to replace both brings tears to my eyes. I am looking at approx. $1,700.00. Next week a friend and I...
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    Troubled 175 EFI

    Hello<br /> First time user, sure hope you can Help. Have a 1998 Mercury 175 EFI been having problems with it for the past two years. On my most recent trip to Canada the engine ran poorly, very poorly. I always thought I had an electric problem since the engine would run well first thing in...
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