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    Mercruiser 5.7 Temperature sensor issues

    Hi gents. Thanks very much for your inputs - I’ll check out the various suggestions this weekend. Apologies for the delayed response - it seems I wasn’t getting notifications of your posts.
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    Mercruiser 5.7 Temperature sensor issues

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    Mercruiser 5.7 Temperature sensor issues

    Hi everyone. New member & first-time poster here. I have a 1999 Bayliner Cierra 2655, Mercruiser 5.7 Thunderbolt ignition & Alpha 3 stern leg. I’ve picked up the (seemingly not uncommon) issue of an intermittent alarm from the temperature sender, usually only when running at over 3,000 rpm...
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