Hi I'm new to this its my 1st car,its a nissan skyline 2.8 gtx.bought it a coupla months ago an was told it needs a new fuel pump.got a 2nd hand fuel pump but car stil not starting,it started 3 or 4 times but then just cut out after about 5 seconds.can it be that the fuel pump is not strong enough coz I def have spark an fuel.but fuel pump is very weak.some have told me it cud be crank sensor or afm.car startd with quik start fluid a coupla times aswell but not always,sumtimez wen I use quik start it jst swings but doest start.