Power loss w/ 2.0L Eclipse,Need Help

Losing power when I go uphill. runs great any other time. control mod. checks out , clean filter nothing out of ordinary. Just when I go uphill. Weird huh. Any ideas? please help.

I'm not trying to be a asshole,but you all ways lose power when you go up hill

always sumthing that will help, if ur goin 55is norm speedlimit up the hill take it out of overdrive lol it will give u a little boost up that hill, thats wut i do sumtimes on big steep hills lol