Hey everyone need some help some ideas and some do's... not to long ago I was noticing abit off a flutter before take off even thru gears low reving to increase reving... I went away and had the car stop on me I so then bled the system and that for some reason got me home.. I now have replaced the fuel filter and re bled the system was running great again. As off last night this problem had started to occur again.. iv noticed when I take the fuel cap off itll have a big gasp for air .... any help or ideas would be great. ... thanks heaps again guys