"ME AGAIN,MY ENGINE IS MAKING
"ME AGAIN,MY ENGINE IS MAKING VIBRATION SOUNDS. THEY ALL SOUND THE SAME IT IS NOT METALIC. IT SOUNDS LIKE IT IS SHORTING OUT OR THE SPARK. IT ALMOST SOUNDS LIKE SPARK NOC. IT ONLY DOES IT UNDER A LOAD. GET LOUDER WHEN I COME OFF PLANE. DESCRIBE IT AS A HESITATION...