trying to troubleshoot 2001 115 johnson 60 degree v4 with optical ignition motor appears to be in slow mode will not rev past 2500 rpms and shakes like crazy been thru fuel side all is good timing is at 20 btdc at wot i have cdi rapair troubleshooting guide i disconected both tan temp sender leeds no change engine is not overheating i verified w laser temp gun rapair says to replace power pack changed pack same thing where do i go from here can a bad secondary leed cause rf interference with the pack i have strong blue spark on all 4 cyls on the spark board