It sound like it may have something to do with your recent
repairing.Recheck each connection again. Check the distributor where the
wiring enters the distributor, Take the cap off and check the plug for 3
wired that need to be in the proper position. Disconnect and reattach the
afm, the ecu and the hall generator.Check the coil. The Bently has the
proceedure for a multimeter test.Check the throttle switch for proper
adjustment(.004). Does the switch click on just off idle, and at full
throttle?Check the O2 senser wire.Check the wires that go to the water temp
senser near the water pump.The fuel pump noise is probably a fuel filter
needing replacement again.