check all your vaccum hoses to make sure their tight and not hanging off.
A faulty fuel relay can cause a 1999 Lincoln continental to stall. If the relay is not properly reading the fuel it will turn the car off.
bad battery
When the coil pack on a 1996 Lincoln Continental goes bad, the engine may experience misfires, leading to rough idling, a loss of power, and decreased fuel efficiency. You might also notice the check engine light illuminating on the dashboard. In some cases, the engine could stall or have difficulty starting. Overall, it's crucial to replace a faulty coil pack to restore proper engine performance.
Fuel pump
Have your cold air intake checked out.
If the torque converter is slipping your engine will start to stall and cut out eventually you will be driving and the car will rev in the drive position as if it is in neutral go to a transmission shop and get the tech to test drive your car.
Why would my 1984 Dodge pick up truck stall at the light when I stop
change air and fuel filter, plugs and wires
new EGR valvie and it still stlls
mine had a elec. short @ high speeds or shrp turns it would stall out. wait 5 min then it starrt again or open the hood and wiggle around the fuses in the fuse box facing the car towards the windshield on the right side
Not using premium fuel caused that in my 2004 Navigator.
Could be time for a tune up.