"I have a 1998 MERCRUISER MAG
"I have a 1998 MERCRUISER MAG 350 MPI it seems to have an ignition miss at 2000-4000 rpm It feels like a quick lack of spark, there or no change in rpm or mph.No codes show on scan tool I have changed the plugs plug wires cap and rotor coil dist. module anti syphon valve ran dual batteries nothing seems to fix problem 3 shops have checked it out I keep spending money with no resolve to problem any ideas would be great?"
"I have a 1998 MERCRUISER MAG 350 MPI it seems to have an ignition miss at 2000-4000 rpm It feels like a quick lack of spark, there or no change in rpm or mph.No codes show on scan tool I have changed the plugs plug wires cap and rotor coil dist. module anti syphon valve ran dual batteries nothing seems to fix problem 3 shops have checked it out I keep spending money with no resolve to problem any ideas would be great?"