You didn't really give us anything to work with here.
Get the codes read. Can't do anything but guess if we don't know what the vehicle is telling you.
You don't list your location, please fix that.
Any autoparts store in the US (outside of California) will read the codes for free.
Please post them here along with any service history for your car.
What engine?
Miles?
How old are the plugs?
Wires?
Filters?
Timing belt?
Etc.
Get the codes read. Can't do anything but guess if we don't know what the vehicle is telling you.
You don't list your location, please fix that.
Any autoparts store in the US (outside of California) will read the codes for free.
Please post them here along with any service history for your car.
What engine?
Miles?
How old are the plugs?
Wires?
Filters?
Timing belt?
Etc.