wiered bump bump sound from motor April 14, 2005, 11:31:44 AM hey guys can any one help me out, i have a 87 cougar when i go to floor it some times the motor will almost bogg down and make a noise like bump bump bump. so if i let is coast and them put my foot back on the gas it does it agian. when i let it coast and then after a minute or so it will run fine. what could it be and could it hurt the car.thanks Quote Selected
Re: wiered bump bump sound from motor Reply #1 – April 14, 2005, 12:12:23 PM When was the last time it was tuned up? Fuel filter changed? Quote Selected
Re: wiered bump bump sound from motor Reply #2 – April 14, 2005, 12:39:24 PM It sounds like not enough fuel to me. My H.O. will do that sometimes, because I only have the factory fuel pump. Need to upgrade. Quote Selected