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Author Topic: 350 Vrod high water pressure  (Read 145 times)
rapnjar
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« on: March 21, 2020, 08:48:23 am »

Yesterday port side 2019 350 showed 22-24 psi water pressure after departing the local sand bar...possible sand ingestion but nothing noteworthy.  Shut down all 3 engines, killed battery power to reset and used raw water wash down pump to circulate water through the wash down attachment.  Restarted all engines to find the same...port engine at 22 psi at idle increasing as RPMs are increased.

Can sand get caught in sensor somehow?  Can it be cleaned?

Any other thoughts?
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paulswagelock
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« Reply #1 on: March 21, 2020, 01:10:23 pm »

Sand in the sensor would likely cause a lower reading. Is your tale tell flowing full stream? Temperatures normal?
I would expect a blockage in the water path after the sensor, causing higher pressure.
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johnmcbridehouston
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« Reply #2 on: March 24, 2020, 11:41:28 pm »

I know this will probably sound too simple but have you checked the thermostat? it sits after the block and therefore if it is closed/blocked the sensor would see a high block pressure (pressure = resistance to flow) you will still see a good flow at the pee hole and the FSM and air inlet water cooling would work as normal as they take off before the block and have different return flows. Might be worth checking.

John
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Trask
2006 250 HP Verado 1B459812 ~500hrs
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