I, too, am having this stalling problem now. My pump was replaced at 90K miles, but I now have 155K. The problem just started this week. I replaced my lift pump already. It stalled again this morning. I have noticed that it does not matter whether I am accelerating or just parked in the parking lot, it can stall. It always starts right back up with no extra cranking. However, when the engine is good and warmed up, it does not stall. Only on short trips around town does it happen. No light comes on for check engine. I went to a mechanic today and paid to have him check for history codes, and his scanner said there were no codes to report at all. I did notice that the fuel shut off solenoid (silver tube you can put your hand on in front of the injection pump) seems a bit loose; not a lot, just a little bit -- is that normal? Should I replace the PMD? Please help guys. This is a lot of money. Thanks.
Adam