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  1. Longhorn-Boater

    Merc 350 sputters, dies, won't restart after heating up

    TLDR: Replaced faulty ignition coil. Circling back to close the loop on this issue. Thanks for all the suggestions. The behavior worsened to the point of a no-start condition, even when cold. Upon closer inspection while testing to see whether it was getting spark, it was discovered that the...
  2. Longhorn-Boater

    Merc 350 sputters, dies, won't restart after heating up

    dizzy trigger, dizzy pickup - some of the terminology may make other readers dizzy as they try to follow along. :) I think y'all are referring to the distributor pickup, known by Mercruiser as part # 87-892150Q02 SENSOR ASSEMBLY. It goes for about $100 and apparently there is an updated...
  3. Longhorn-Boater

    Merc 350 sputters, dies, won't restart after heating up

    Thanks, @achris. Appreciate the quick reply. Yes, the engine is on a year 2000 inboard boat, so date of manufacture may have been '98-99. Was just trying to give an indication of age & hours when I said 'circa year 2000'. I'll do some searching on 'blocked fuel tank vent'
  4. Longhorn-Boater

    Merc 350 sputters, dies, won't restart after heating up

    Chasing an issue on a Mercruiser 350 inboard motor. Starts up fine, idles smooth, runs at speed and under load (e.g. pulling a wakeboarder or skier), then if speed is reduced or brought back to idle speed, it will begin to run rough, sputter and die. Starter will crank, but engine will not...
  5. Longhorn-Boater

    ENGINE DIES

    Not looking to hijack OP's thread, but I'm chasing a similar issue on a Mercruiser 350 inboard motor. Starts up fine, idles smooth, runs at speed and under load (e.g. pulling a wakeboarder or skier), then if speed is reduced or brought back to idle speed, it will begin to run rough, sputter and...
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