496 mag engine code

Willy G

New Member
Jul 20, 2021
14
Boat Info
07 sea ray 250 SLX
Engines
8.1 mag
hello all
i posted awhile back about check engine/sensor fault on my smart craft gauge , ONLY happens at 2000 rpms , replaced raw water pump with a hardin marine pump ( great choice)
im getting 3 psi at idle 18-22 at 4000 rmps .when alarm goes off the smart gauge reeads check engine/sensor fault . no desciption of what sensor but the psi gauge has the little AL flashing in the upper right hand corner, which im sure is alarm ... pressures all seam fine but i am stumped ...
 
hello all
i posted awhile back about check engine/sensor fault on my smart craft gauge , ONLY happens at 2000 rpms , replaced raw water pump with a hardin marine pump ( great choice)
im getting 3 psi at idle 18-22 at 4000 rmps .when alarm goes off the smart gauge reeads check engine/sensor fault . no desciption of what sensor but the psi gauge has the little AL flashing in the upper right hand corner, which im sure is alarm ... pressures all seam fine but i am stumped ...

Hi Willy G,
I recently installed the Vessel View Mobile kit for this very reason. Once installed to the SmartCraft Junction Box under the helm dash, you use an application on your phone and connect via Bluetooth. If you do get an alarm, you will get a human readable message that clearly explains the issue. No more trying to figure out what 2-beeps every minute means, etc, etc
Kit cost about $150

When you look under the helm you have to make sure you have an open port on the SmartCraft Junction Box. If you do not, you can simply add to what is already there or replace your current Junction Box with one that has additional ports.

Mercury-Mercruiser 98-878492K16 SmartCraft Junction Box Kit - 6 Way w Weather Caps

https://www.mercruiserparts.com/878492k16-junction-box-kit


I hope this helps.
 

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