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Recent content by ronmhjr

  1. R

    5.0 Mercruiser MPI

    We have a 2007 Sunesta 214 with 5.0 MPI that starts fine, idles and runs at low speed but when I put the throttle down it stays around 4k rpm but doesn't really go (10 mph max). It takes a while (me thinking it needs to warm up) and then runs fine. I let it run like that until a point you can...
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