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  1. 711KMD

    Mercruiser 7.4 MPI - Intermittent steady beep. (drive fluid alarm with new bottle)

    Appreciate it. One of the batteries is actually new, replaced alternator and belt, but fully agree on the voltage issue, but sort of lost even where in the elimination process to start at this point with the inconsistency trying to repeat it. Thrown a MAP and IAC sensor at it. Trying to work...
  2. 711KMD

    Mercruiser 7.4 MPI - Intermittent steady beep. (drive fluid alarm with new bottle)

    Aye - So, I've got a 2000 Mercruiser 7.4 MPI. First start up of the season, I had a steady single beep alarm. Yes, the Outdrive fluid alarm. Cleaned and refilled old bottle, no change. New bottle, no change. After banging my head through this that and the other, I started noticing it would...
  3. 711KMD

    Merc 7.4 Alternator/Voltage

    Aye. Long story short. Ran a 92 Carbed 7.4 Bravo 1 for 14 years. The voltage at the gauge ran pretty much at 14V steady at ALL times. I'm now running a 2000 7.4 EFI Bravo 3. It only has 220 hours but my voltage is all over the place. On average, I start her and she's only at 12.5v, once I rev to...
  4. 711KMD

    454 7.4 1992 Rough/High Idle -- Vacuum Leak

    Hi. 1992 Merc 454 7.4L Carb 0D804171. Self taught, barely backyard mech status, for the love of the game. I have a rough/high idle issue. Just not running right. Idling at 800, sounds/feels like what used to be 680ish when she ran right. Idle screw down to 680 and she dies out, also...
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