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Check engin light keept going off under power

wesley

New member
I have a 1998 johnson ocean ru

I have a 1998 johnson ocean runner. When I add power from 3000 to 3500 rpm the check engine light keeps comming on. when I reduce power to 1000 rpm the light will go out. I have tried to replace to fuel filter with no luck. I am also new at this message board thing so for give any mess ups. Thanks
 
"Wesley,

I think you might


"Wesley,

I think you might have too much vacuum in the fuel line, triggering the vacuum switch. Could be a restriction, clogged vent, collapsed fuel line.

Tony"
 
"what hp eng do u have?...the

"what hp eng do u have?...the only ones,that are affected,and have a vac sw,are v-6 and comm v-4...it does sound,like u may have a v-6 that needs fuel line attn...ck and/or remove the anti-syphon valve."
 
"r u using a vro system. contr

"r u using a vro system. contrary 2 others belief the vro is a good system & will alert u 4 various problems fuel/oil etc, a vacume sw is rare but nontheless it is in line w the vro senser. will alert chip. easy test v/p test can b performed.any horn sound intermitten or long if any u didn't say.JZMFL."
 
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