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  1. S

    5.0 Gi throttle body injected engine dies right after start up/fast idle

    hey all, i got this engine giving me trouble, it is throttle body injection and the pressures are ok, 6psi, low pressure and 29 psi on the high pump i see a pattern coming out of the injectors but thats all i can tell on that end. i can keep it running indefinitely if i supplement the gas with...
  2. S

    any ideas how to clear a water blockage inside a 25hp EFI o/b motor?

    ok, so i wanted to follow up, i went back to the boat with a pressurized water fire extinguisher and went back from the line going into the engine which goes to the fuel cooler. i hit it with the pressurized water a few times and it cleared the system out nicely.
  3. S

    any ideas how to clear a water blockage inside a 25hp EFI o/b motor?

    i have a 25hp motor that i can not get the water to flow out of the tell tail. i removed the line to the fuel cooler and the line from the cooler to the block, i tried blowing air into the block but it is solid clogged. i have the lower section off and put a hose up the water intake tube and it...
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    2001 200HP hpdi wont run, rebuilt pump, all filters changed, tank flushed, etc

    ok, here goes: i have an HPDI engine that is kicking my ass and need some outside help with it. its a 2001 200hp hpdi, z200txrz. before i got ahold of it, a previous mechanic cleaned the medium pressure pump, sent the injectors out for cleaning and replaced all the filters. once i got the call...
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    early 40's run about starter identification and suppliers

    i have a client with a 1940's runabout. it has a straight 6 cyl engine, i was told chrysler, but not confirmed. the starter is on the front ( i think) of the motor. the alternator sits above it. i am in no ways a chris craft mechanic but in my field, you have to dabble with everything. so, the...
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    any ideas on how to clear out sludged up coolant system?

    not a bad idea, i actually have a coolant filter i never ended up using for one of my mustangs. but which side does the filter go? whats the direction of flow?
  7. S

    any ideas on how to clear out sludged up coolant system?

    when i say stripped down, i mean all the plumbing removed, the engine is still complete and runnable
  8. S

    any ideas on how to clear out sludged up coolant system?

    so you too do not think installing the closed coolant system would be a good idea?
  9. S

    any ideas on how to clear out sludged up coolant system?

    well i have already pulled all the hose off and stripped the engine down to the block. i was hoping i could get into the block through the expansion plugs and maybe hit it with a pressure washer. i know i wont get all of it but at this point i dont even know how bad it is inside. i guess i am...
  10. S

    any ideas on how to clear out sludged up coolant system?

    impeller was new last spring, after the PO had the same issue winterizing the boat the prior fall.
  11. S

    any ideas on how to clear out sludged up coolant system?

    so i bought this boat from someone who lived on a causeway with a lot of silt. so much he could only go out a max of 4 hrs, 2 hrs before and 2 hrs after high tide. so the boat runs great but when you try to winterize it and run it on muffs, it wont push the a/f through. you have to break the...
  12. S

    Mercruiser water pressure sensor

    there ya go
  13. S

    Mercruiser water pressure sensor

    why dont you just buy a sensor from a automobile, they are a 3rd of the cost and change it out each year as a maintenance item
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    2004 merc 350 mag mpi high temps on new dry joint manifolds, one thing after another with this boat

    it is unlikely you get water/gases out of the prop due to he bravos using exhaust tubes instead of bellows. most water and exhaust escape before the leg. the water flow is great out of the back of the boat and the flow coming to the manifolds look real good as well, that is without the...
  15. S

    Mercruiser 4.3 w/ TKS fuel pump runs 24/7

    i suggest you start a new post and add a link to it on this so anyone having this issue can follow. this post is a year and half old.
  16. S

    troubleshoot no spark on a 60hp 4 stroke merc

    looking for a diagnostic chart for no spark, i have a 60hp mecrc, not sure of the year serial # is a923404 i need info on testing the ignition system. the tests i found do not have the same colored wires as this motor does
  17. S

    89 omc, cobra very hard to shift to neutral

    ok, so this boat has a new cable, fully adjusted with factory tools, the shift interupt switch is operating as designed, the micro switches as well, when in reverse and going into neutral the shift assist kicks in, the shift linkage arm(for lack of better words) lifts up, activating the shift...
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    seriously need some experts help on this one, no water exiting manifolds

    ok, so i had a post earlier about this but i want to consolidate. this is a 2004 5.7 MPI. bravo set up. with standard cooling system with no upper hoses to the elbows the boat came to me overheating. previous owner replaced impeller thermostst (aledgedly) and inspected the manifolds. (yeah...
  19. S

    2004 merc 350 mag mpi high temps on new dry joint manifolds, one thing after another with this boat

    have an issue where this boat has readings on new manifolds and riser of over 180 degrees, back story ,the boat was overheating terribly and the previous owner had another mechanic run tests where he pulled the thermostat and "allegedly" pulled the risers for inspection. which he said were fine...
  20. S

    anyine got an easy way to flush a p/s system of water?

    i have a boat that took on a lot of water due to a broken bilge pump, it got up to the top of the p/s pump. the system has quick connects on the steering rack so that may make things easier. anyone have any success with flushing this systme out that doesnt involve major surgery?
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