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AmiableDave

04-04-2018 07:57 PM

Raw Water coolant pressure question

What is the operating range for the Raw Water cooling pressure for a Mercruiser 6.2 L, 377-320 hp using a sender part number 8M6000623? At what pressure does the alarm go off sending the engine into Guardian mode?

Thank you..

In the red

04-23-2018 11:09 AM

I am working on a high pressure alarm on my 496's right now that use that same sensor. My alarm trips at 41 psi at WOT on a Rinda scanner. Im not sure what the Merc spec is. My other motor runs at 35 psi at 5000 rpms with no alarms. See my post from yesterday.

AmiableDave

04-23-2018 02:54 PM

Read you post from yesterday ITR. I bought a Merc book. Reading now.

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