SOME OF THIS IS EZ DIY

READ THE LEFT HAND SIDE OF THIS LINK (READ ALL TO GET A HINT OF WHAT'S GOING ON

http://www.obd-codes.com/p0171

THE STUFF IT SAYS "COULD BE WRONG"

IINSTALL YOUR VEHICLE INFO INTO THIS SITE--THEN SAVE IT (SOMEWHERE IT'S GONNA NEED YOUR ZIP CODE)----INSTALL EACH PART INTO THE SEARCH BOX ----LOOK FOR THE GREEN "CHECK MARK" AND THE WORDS "EXACT FIT"

http://shop.advanceautoparts.com

YOU WILL GET AN IDEA ON PARTS COST (IF YOU OR YOURS DOES THE WORK)

LET ME KNOW HOW IT GOES

ONE OF THESE WOULD BE HELPFUL TOO

http://www.2carpros.com/questions/2007-ford-taurus-tune-up

THE MEDIC

Answered by CJ MEDEVAC (expert)
6,802 answers provided