Engine Performance problem
2007 Infiniti M35 6 cyl All Wheel Drive Automatic 33,000 miles
After placing hi test gas in the tank - I was hoping not to hear this sound-here is what it sound like-the ride is smooth until you give it some gas and then it sound like the lifter etc sound loud-umm-umm-umm-umm and it sound as if it is hesitating to start. Will a oil change or mnt help with this sound. Otherwise the car run good-sure is a powerufl car.