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  1. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    Great to know!!!
  2. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    The shrink butt connectors I'm using seem ok for now. The tubing seems pretty thick compared to the standard shrink tubing you'd get if you just got the tubing separate from the connector. The one I replaced (purple wire) was pulling out of the old shrink tube and loose. No idea if/when it...
  3. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    Thanks a ton for your input! Friday I looked through all of the wiring. I pulled the harness again, pried apart the male connectors slightly (great idea!), cleaned again and greased. I made sure the clamp holding it together was tight when I reassembled. I also checked the ground voltage at...
  4. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    I'm pretty certain I've eliminated any fuel issue besides the fuel pump, which hasn't shown any signs of abnormal behavior. I always keep the tank over half and when I did drain the tank I checked the operation of the fuel gauge with a multimeter. The mechanic said he was 99% sure it was the...
  5. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    I wasn't lake testing it. I received it back from the mechanic a couple of weeks ago claiming problem fixed. I have since taken it out a few times without issue. I thought the problem had been fixed. I have to go through the wiring. The spark plug wires are all new as of last year and in...
  6. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    Thanks guys! I've put a few hours (@4) on it since getting it back with no issues - except yesterday. I ran it for about an hour, 1/2 time @idle (no wake) and 1/2 time at @3000rpm. Well, there were races on the lake yesterday and I had to cross the course to get home. When the police told me...
  7. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    Ok thank you. I'll add to the list for spring tune up. Thanks!
  8. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    I finally got the boat back repaired after 2 weeks. I was never able to speak directly with the mechanic but he had a heck of a time getting it fixed. (my hobbs logged 19hrs!) The manager of the marina told me that the mechanic thinks 99% it was the points. That said, he also cleaned the...
  9. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    Thanks, vent was cleared and working not obstructed. I wasn’t able to check the fuel pressure or spark. Unfortunately I ran out of DIY time and brought to the mechanic. I’m waiting to hear back from him. I’ll post results.
  10. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    *Reposting in the correct forum... Just joined to try to get some more insight into my unresolved problem - and hopefully post positive results after repair. My 1988 Cobia Monte Carlo is giving me a headache - Starts fine, idles fine and I can idle out of the no wake zone no issues. Run it up...
  11. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    Damn, sorry wrong forum. This should be in the Mercruiser Sterndrive forum....
  12. johnnyseko

    1988 Mercruiser 120 2.5L stalling after warming up

    Just joined to try to get some more insight into my unresolved problem - and hopefully post positive results after repair. My 1988 Cobia Monte Carlo is giving me a headache - Starts fine, idles fine and I can idle out of the no wake zone no issues. Run it up to @3000rpm, running great and...
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