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  1. R

    1990 Mercruiser 4.3 Stalls

    I’ll try this but what will this show?
  2. R

    1990 Mercruiser 4.3 Stalls

    Okay I’ll give this a try tomorrow. What does it mean if it has a whoosh or no whoosh?
  3. R

    1990 Mercruiser 4.3 Stalls

    Yes I have. There is no water in fuel. I removed the fuel/water separator as well and cranked the pump into a clear bottle. No water.
  4. R

    1990 Mercruiser 4.3 Stalls

    I can’t upload pictures for some reason. Something about the servers
  5. R

    1990 Mercruiser 4.3 Stalls

    I also removed thermostat cover to check it out and looked like this 🤮 Yes I have. There is no water in fuel. I removed the fuel/water separator as well and cranked the pump into a clear bottle. No water.
  6. R

    1990 Mercruiser 4.3 Stalls

    How do diagnose it?
  7. R

    1990 Mercruiser 4.3 Stalls

    I appreciate the help. I just ordered the spark tester. I should be getting it tomorrow. I haven’t cleared the tank vent. I’m not sure how. I wanted to test it before pulling the line but not sure how. I blow air through the line from the tank vent into the tank and it blows back out. Is that...
  8. R

    1990 Mercruiser 4.3 Stalls

    Okay I’ll remove the spark plugs and test the gaps today. I don’t believe that’s the issue only because it fires right up cold and idles great with muffs and in water. I’ll check them anyways. Ignition components are in good shape I believe since it starts without issue. Any specific parts I...
  9. R

    1990 Mercruiser 4.3 Stalls

    Hey everyone! I have a 1990 Regal Sebring with a merceuiser 4.3. My issue is that it rides great for maybe 10 minutes and than dies. It’ll start up after but won’t run as long maybe a few seconds before shutting off again. Tired of getting towed out. Sometimes it’ll run a little longer if I...
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