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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...

i have an 07 250 slx ( just purchased ) w/ 496mag bravo 3 , getting engine alarm at EXACTLY 2000 rpms , come up on smart gauge as check engine/sensor fault , mechanic said it was both knock sensors , i replaced both , changed plugs , wires , fuel filter and sediment filter and alarm keeps coming...

496 mag , Can u reset engine code or will it go away once problem is fixed

hello all , mechanic said code came up both knock sensor fault , changed both knock sensors , ignition wires (individual coils) , plugs , fuel filter and sediment filter , fuel is non ethinol , and still same alarm ....only happens at EXACTLY 2000 rpms then goes away... i am completely stumped...

hello all, I have a 07 250 slx with an 8.1 mag 200hrs , just bought the boat and it threw a engine alarm at exactly 2000 rpm , took it to mechanic and he said that the 2 knock sensor code , which he said was unusual he wants me to replace plugs fuel filter and sediment and wires <, There are...