Pakistan Vs. England 2nd ODI scoreboard
Joe Root made 89 as England, set 252 to win, finished on 255 for six with 15 balls to spare.
Earlier wicket-keeper Sarfraz Ahmed (105) became the first Pakistan batsman to score an ODI hundred at Lord's after his side collapsed to two for three.
Imad Wasim (63 not out) helped Ahmed add 77 for the sixth wicket.
The series continues with a day/night match at Nottingham's Trent Bridge ground on Tuesday.