Originally Posted by Graceland
it would get noisy and draw more current yep.
as said above, check the breather on the tank, it comes off the top of the tank somewhere and looks like a little plastic pipe with a funnel on the end - it will be routed round the top of the tank to the left side (near the fuel pump cradle) for the ventilation, also if its a late 4x4 with a cat, it will have a charcoal canister on the inner wing with a vapour line going to the tank, check that the solenoid here is operating for the vapour

excellent advice cheers!
BTW im saying that my pump WAS noisy when we measured 9A. you say thats fine though? wouldnt make a difference when warming up because chance is its less?