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    150 EFI ongoing issue

    So I have a 1999 mercury 150EFI. I have had to replace several things on it such as, repair leaking VST, switch boxes, trigger. The motor was missing at idle and wanted to die and cut out all through the mid range. It would run good on the top end if I could get there without it dying. As I was...
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    1999 Mercury 150 EFI ignition issue

    So I have a 1999 Mercury 150 EFI that has an ignition issue. It has a rough idle and runs rough up until I get around 3000 RPM’s and then it picks up, but I have still lost around 500 RPM’s at WOT. I have replaced HP fuel pump, fixed all fuel leaks, and changed filters. I checked the stator and...
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