My truck acted like it was running out of gas so.

CHECK YOUR FUEL PRESSURE........COME BACK WITH AN ANSWER OTHER THAN, "IT LOOKS GOOD"

CHECK FOR "GOOD" SPARK AT THE PLUGS

HARD TO TURN OVER---DIM HEADLIGHTS?

SNATCH YOUR BATTERY HAVE IT FULLY TESTED AT A POPULAR AUTO PARTS STORE--USUALLY FOR FREE

RETURN WITH RESULTS AND ANY OTHER HISTORY YOU MAY HAVE LEFT OUT

EVER THOUGHT OF THIS?

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

THAT ALONE, HAS BEEN MY LIFE SAVER FOR MANY MANY YEARS

THE MEDIC