My 2004 Excursion cranks but wont turnover. Had it towed to dealer and it started up when he went to bring into shop. Said it was a stuck fuel valve and I needed to rock the car to release it if it happened again. Well it happened again and no amount of rocking makes it turn over.

Mechanic came out today and determined I have no fuel pressure and diagnosed the issue as a bad fuel pump. Does anyone know what it costs to replace the fuel pump? Is this common for a 4 year old vehicle?

Check on ebay for fuel pump prices. If you do it your self under $100.00 a dealer around $1200.00. A local shop should R&R your pump for around 2hrs shop time. Around $85.00 an hour. Call the dealer as they will want to put an origional equipment pump in it causes them less problems. Call Napa and get a pump price I assume they would install one of these for you.
Get a few estimates.