hard and below half tank gas wold die out .so i put old pump back in now fuel gauge wont work and low fuel light on .checked wires had in out 1o times cant fine anything wrong wiring all hooked up
i replaced fuel pump last year .found out it was crank sensor when hit brakes on 2004 Hyundai Santa Fe
you may have damage the sending unit assm.
You need to put a new assy. back in.