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    2001 350 mag MPI detonating misfiring

    "I am having problems with my 2001 350 MPI engine. in fact have had problems since putting it in my boat. basically I have the issue of a minor instant loss of power say every 10-30 seconds typically when it is up over about 3000 rpm. it just does it for an instant. recently on a couple of...
  2. S

    2001 350 MPI Stalling and Slight misfire

    "I was posting on this website "I was posting on this website a few months ago after having major problems with a repower to htis engine. it had a major misfire from about 2000rpm upwards. that is now mostly fixed. The engine now stalls for no reason at idle rpm. it has a new IAC valve and...
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    Mercruiser 350 MPI misfiring under load

    "Hi, I am new to this forum an "Hi, I am new to this forum and am hoping someone can help me out. Being in New Zealand I think our mechanics and Merc rep are lacking some knowledge compared to the USA. I have a 24ft trailer boat which had a 1994 350 mercruiser which had water damage. I...
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