98 gtx rfi misfire

[lexer440]

Machine misfires between 4800-5000 rpm, its regular about every 5 seconds but runs fine at all other rpms. I just thought I would throw it in here and see if anyone could suggest possible causes. machine runs great otherwise.

 

[lexer440]

Re: 98 gtx rfi misfire

Well, I did get a suggestion to unscrew the boots from the spark plugs, trim about a quarter inch off each cable and refit them and secure with cable ties. Worked great! misfire gone and machine runs just like it should.