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Topic: wiered bump bump sound from motor (Read 883 times) previous topic - next topic

wiered bump bump sound from motor

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

Re: wiered bump bump sound from motor

Reply #1
When was the last time it was tuned up?  Fuel filter changed?
Long live the 4-eyes!  - '83 Tbird Turbo - '85 Marquis LTS - '86 LTD Wagon

Re: wiered bump bump sound from motor

Reply #2
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.
:birdsmily: Nate Wenck
Carroll IA
nwenck@msn.com
07 Suzuki Boulevard C50T
2003 Ford F-150 Supercrew