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  1. #41
    Join Date
    Jan 2021
    Location
    Columbus, Ohio
    Posts
    1,422

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    Quote Originally Posted by SkiBoy View Post
    Thanks for the info guys. I installed a new modulator, and she runs like a top. Second day out my fuel pressure dropped and she stumbled and died. Added gas to the carb,it fired and quit. I keep a spare fuel pump, installed that and all good. The Gremlin thought he had me............... I was skiing by the end of the day.
    Good to hear you keep the extra pump.

    The modulator makes sense. It's about the only thing left to change before swapping the whole distributor. Glad to hear you are still on the water.
    2015 Moomba Mojo Surf Edition
    4,000lbs
    Manual Flow

  2. #42
    Join Date
    Oct 2005
    Location
    Timbuktu (NY)
    Posts
    148

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    Went out to ski at 8 this morning, lost spark idling across the lake. Jiggled wires, touched all the connections and sensor spots unplugged the modulator and coil, tried all what I have been doing and nothing.
    99 Outback LS

  3. #43
    Join Date
    Jan 2021
    Location
    Columbus, Ohio
    Posts
    1,422

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    You can buy a Clymers manual for indmar engines

    https://a.co/d/bk4Juec

    It has wiring diagrams in it to track down what might be causing the issue.
    The ECM takes in sensor inputs and then dictates when to fire even though you are carburated.
    2015 Moomba Mojo Surf Edition
    4,000lbs
    Manual Flow

  4. #44
    Join Date
    Oct 2005
    Location
    Timbuktu (NY)
    Posts
    148

    Default

    No ECM on my Outback. I think I will buy an electronic distributor and get some help installing it.

    Marine HEI Electronic Distributor 65K Coil - Compatible with 350 5.7
    99 Outback LS

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