If all these issues came on at once I would start by looking for an electrical problem. The first three are on a seven pin plug on the pump the last one is on a smaller plug with the fuel supply solenoid. (unless they are all on one with the ALH)
If you have the Bentley manual the wiring diagram with identify the connectors. I believe the CD manual has more troubleshooting steps for the individual components on the pump.
Saying no to gas for 25 years:
Current: ’02 Jetta, Auto; ’98 Jetta, 5 Spd; ’98 Dodge, 5 Spd, SB, 4x4; ’84 Grand Wagoneer with Nissan SD33T, NV4500, Dana 300, Reverse Cut Dana 44, Dana 60
The Black Sheep (Only gasser): ’85 CJ, 4.2 w/4.0 Head and Mopar FI.
Past: ’85 Mitsubishi PU, 4D55T; ’81 Rabbit, 1.6; ’80 Dasher, 1.5; ’79 Rabbit, 1.5