i just put new fuel line that was leaking....car runs without leak.....but now...
car wont rev past 2000 to 2500 rpm,and when i try it starts chokin,like its gonna shut off,but doesn"t.......
but car idles fine when running/....
does any one know what this could be...???
could it be a sensor plug is loose?

 

i thought this lexus site helped and shared information??????