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Recent content by mviau

  1. M

    Mercruiser 255 has rough idle and stalls

    I have a 1977 Mercruiser 255 (GM) that has a sporadic rough idle and will randomly stall (both in neutral and in gear). If the RPMs are at 1,000 or above I have no issues. The engine accelerates good and has a good throttle response. The cap, rotor, and fuel filter were replaced last summer...
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