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    4.3 engine stops running. Fuel pump?

    I have a 1997 4.3 V6, carbureted engine with a Thunderbolt V ignition system that has been dying after a few minutes of running perfectly. So far it has always started back up and runs perfect again until it dies again. I initially suspected ignition malfunctions because of the way it stopped...
  2. W

    Mercruiser V6 4.3 Thunderbolt V Ignition Problems?

    Hi folks, I have a 1997 V6, 2 bbl carburetor, (engine SN OKO282235) MCM 4.3 LX Gen+, that is giving me some, what I can only assume, are ignition problems. I'll be running along, smoothly cruising 4000-4300 rpm when the engine will quit - like someone turned off the ignition switch, no warning...
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