05 300 HPDI cuts out when boat hits wave

"Motor cuts out when boat hits

"Motor cuts out when boat hits wave. Computer says battery. Changed cables, same problem. Any ideas ???"

"HEY ,DARREN I HAVE THE SAME P

"HEY ,DARREN I HAVE THE SAME PROBLEM THOUGHT IT WAS A LOOSE WIRE . BROUGHT IT TO DEALER HE WATER TESTED IT AND SAID IT WAS HIGH PRESURE FUEL FILTER. SO I SPENT 1200.00 0N WATER TEST AND REPAIR NOW HAVE 150 MORE HOURS ON IT ALL MOST ONE YEAR TO DATE AND ITS DOING IT AGAIN MY BOAT HAS WINTER OFF SO MAY BE 6 TRIP AND SAME PROBLEM
I STILL CANT BELIEVE THAT ITS A FILTER I RUN 30 KNOTS FOR 20 MILES NO PROBLEM UNTIL I HIT A WAVE AND IT LIKE YOU SHUT KEY OFF AND ON AND THEN FINE UNTIL NEXT WAVE . CONFUSSED CAN YOU HELP ME.
IF ITS THE HP FILTER I NEED TO LEARN HOW TO CHANGE IT MY SELF TO SAVE SOME $$$$$"

my 05 300 does the same thing

my 05 300 does the same thing and yes it is the high pressure filter. retail is around $120.00 you cant clean the old one either. other than that though they are not hard to change just take the flywheel cover off and you will see it.