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PhilH12

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Posts: 3,503
Reply with quote  #31 
The HP pump wouldn't send a code.  Just engine dying like you see.

A length of hose connected to the HP pump test fitting - assuming you have a test fitting on the pump itself?, with the pressure gauge at the far end.  I've seen some pic's of guys with the gauge "zip tied" to the engine, or you could maybe run the hose long enough to get to the stern of the boat - a meter or less.  You should see 25 - 35 psi while running well, and then it'll drop off when the problem happens.  The HP pump may surely feel hot to the touch at that time.

Yes, not questioning that you may have had a 'poor quality' tank.  But, even a 'good' tank may not be able to withstand over filling and then the oil leaks or cracks happening.  NOT saying you didn't have a bad one!  Sounds like you surely did.

Hope it helps!

Phil

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Always check the Easy Stuff First!
20' Weeres fishing pontoon
90 HP E-Tec E90DPLSUM  05184332
Lake Tawakoni, TX - Catfish Capital of Texas
Nordmann

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Posts: 1,522
Reply with quote  #32 
You did say the water-pump was replaced. Did you find all the missing bits from the impeller? 

One impeller wing is sufficient to block cylinder head drain. Both Rickmc23 and I have experienced this.

Easy to test. Remove thermostat and springs. Poor water in thermostat opening. Head has 2 chambers. If blockage has occurred, the rear chamber will fill up and drain slowly. 

If not, water will drain freely from both chambers.



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Nordmann.

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There is nothing the dentist can do, that the patient won't do!
Pelle_Lindstam

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Posts: 38
Reply with quote  #33 
Have to check if the impeller was broken whatsoever,  I looked at the picture of the cooling system and was about to suggest just that kind of test to the tech.
Will have to wait until Monday.
Thanks

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Pelle
E-tec 30Hp - Uttern 4950
Pelle_Lindstam

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Posts: 38
Reply with quote  #34 
But, if the head drain really are blocked, wouldn´t it result in a "proper" overheat, with codes and everything?
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Pelle
E-tec 30Hp - Uttern 4950
Pelle_Lindstam

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Posts: 38
Reply with quote  #35 
Back in black[cool] five weeks holiday, one week work, have not heard from the tech.
Called him, he wants to do what some nice person here suggested, take the cylinder block apart from the exhaust housing, check all water flow completely. 

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Pelle
E-tec 30Hp - Uttern 4950
steelhead

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Posts: 4,097
Reply with quote  #36 

A clue for your symptoms

Engine Temperature ABOVE range 􀀳 LED 4: ON (Running) 8 seconds Engine Temperature > 194° F (90° C) above 3500 RPM
Engine limited to 1200 RPM. Check cooling system.

EMM Temperature ABOVE range 􀀳 􀀳 LED 4: ON (Running) 8 seconds EMM Temperature > 194°F (90°C). Engine limited to 1200 RPM. See Code 29.

Check the electronics/fuel cooling cooling system also.  If the block has a plug from impeller debris or weeds/silt/debris, the VST EMM is also likely to have plugs.


Water pump feeds block>Exhaust cooling plate fitting>rubber hose>VST>rubber hose>EMM>rubber hose>cooling water overflow aka telltale or pee stream.  Page 158 Service Manual.
see pg 158 SM.

Block water hits 195d F, flows to EMM.  Block temperature sensor that protects motor or EMM temperature sensor circuitry that protects its electronics in EMM shuts motor down to 1200 rpms until block/EMM water flow cools below 195D F.

https://www.dropbox.com/sh/n1p7ajtiebqvbtr/AACUYWzvmrZSoG2f-6JRRw8ya/service%20manuals/Evinrude_E-tec_15-30_Hp_2011.pdf?dl=0

 

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