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1999 evinrude 70 4 stroke

Linesman

New member
The check engine light comes on and horn sounds off for about 15 seconds then the light will go off in a couple minutes. This happens right after I crank it up and sometimes after I run it for a while and bring it back down to an idle. The light does not flash it just stays on for a minute or so. The engine runs fine other than that.
 
check your owners manual for alarm codes, insufficient water flow through cooling system,oil pressure, oil level, fuel restriction upon startup. It takes a while for waterpump impeller to fill up engine, A weakened impeller and/or worn housing will cause this issue at idle and low rpms.
 
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