The Angels finished 1-for-4 with runners in scoring position and left seven men on base, stranding runners on second and third in both the second and third innings.
Sitting at 8-10 in June, they have been unable to gain significant ground on the Astros and seize control of a division many expect them to win. Following an improbable victory Friday, the Angels couldn't back that up.
"Just when you think you're going to kick out of it, the next day it's hit-or-miss again," Angels starter Jered Weaver said of the team's struggles. "It's obviously frustrating.