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  1. R

    Still can't fix it

    So I posted before that my 2007 3.0L merc has been idleing real rough, I tried a compression test On it and all cylinders are at 135psi and that was done with engine warm. Next I checked to make sure file was getting to the carb alright an it was ten checked spark seemed alright. I then tried a...
  2. R

    2007 3.0L 135HP Merc question

    ok a little guidence from some of you all please. so i took the boat out for its first run of the year a few weeks ago and had some problems. while the engine is idleing the RPMs jump up and down eraticlly and the engine has a tendency to stale on me. if running at anything above 2000 rpms...
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