Thanks...I don't know what else to try, we did check each plug, they were dry, I guess I will check in the wells...the problem of popping(backfiring) only occurs between 2-3 rpm, then it runs fines, Also, each coil was checked on the computer, they were fine.


Quote Originally Posted by ryan roopnarine
you might have water remaining in the spark plug wells, that's what mine did after i washed it and water got into the wells. it might have killed a coil by now, if it never dried out completely.