The engine takes a few tries to crank. Not the battery as recently replaced on 1999 Mercury Grand Marquis

Seems to crank fine with full tank of gas. Do you think it is the spark plugs--never been replaced? Idles fine and runs fine.

Asked by for the 1999 Mercury Grand Marquis
2 answers
or fuel pressure
sounds like car needs general TLC seek daig from your maech and ahve an insp done also