When i am going up up a hill the car starts to sputter? on 1999 Ford Taurus

When i am going up up a hill the car starts to slow down andd sputter, but it only happens when going up hill what can i do to fix this? will throwing some gas treatment in help?

by in Stow, OH on August 05, 2012
2 answers 3 comments
ANSWER by , August 05, 2012
do u have a ck eng liyr on? may have to get tested by mech that can read live data on scanner
COMMENT by , August 05, 2012
i dont have a check engine light on
COMMENT by , August 06, 2012
ck for misfire or plugged exhaust system
ANSWER by , January 01, 2013
po430codewhenhookingituptpcomputer
COMMENT by , January 02, 2013
as said catt issue