we bought our 04 2.3l new. has 90k on her now....have yet to have a single engine related issue.
04 ZTS sedan: red, 2.3L, 5spd, eclipse avn6620, cfm 67mm tb, fswerks cai (wife's car, my DD)
07 SE sedan: aqua, 2.0L, 5 spd, SAP II (sister's car)
03 Ford Expedition Eddie Bauer: 5.4L, supercharged, 379 RWHP, 465 RWTQ (my toy)