Hmmm... well Judging from the lack of fuel pump related posts on FF, id assume the fuel pump is good for a decade or so... the strainer could be blocked but i dont think it would make any high pitch squeel.. could be the pump itself.. u need to do that fuel pressure test to be certain its not blocked. The pumps are fairly expensive but i heard someone mention a cheaper version from Bosch? On the wagons, u need to drain the tank to almost empty to remove the pump assy from the side of the fuel tank, this is why it sounds louder when yer tank is low. I didnt change mine, i got my mech to do it so i cant give any advice on pulling it out too check...
good luck :)
EB1 3.9L MPI Falcon Wagon with converted T5 / Pacemaker & 2.5" Redback sports exhaust / 2" lowered blocks at the rear, Kings lows up front / ED Tickford Head and Cam / K&N panel filter with XH intake Snorkel / Full EL Fairmont interior with woodgrain
89 EA1 3.9L TBI Falcon Sedan with 3 speed auto / currently being upgraded...