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  1. 2

    350 mag guardian thinks engine is running hot but gauge show good.

    I have been having issues with the guardian putting engine in limp mode because it shows engine is running hot but gauge shows normal temp. It runs fine till it get up to temp then does this, if I bring it down to idle and take off again runs up for about 10 secs then back to limp. Any ideas...
  2. 2

    2012 mercruiser 5.7 emission and fuel system codes and o2 sensor not working.

    I have a 12 sea ray with a mercruiser 5.7 and have service emissions and service fuel system and o2 sensor not working come up on my dash. I have had it worked on 2 times for not starting and the first was a burned up fuse in the factory block and then 10 amp fuse blown on a fuse link they...
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