Don't drive it like that! avoid at all costs! flashing CEL = you can melt your cat
yeah, it probably is running on 2-cyls.. probably the two cylinders that are firing directly. my car was like that when my aftermarket spark plug wires went bad, bought some oem-ish wires (couldn't wait for a parts order from onlinemazdaparts so I got the only ones I could find locally that looked OEM quality/fitment) and replaced all the plugs and it was fine.
For 8 bucks you can give her a full new set of plugs, though it kinda sucks that you gotta do it right before you turbo, since you'll need colder plugs after you turbo anyway haha. Hope you get that stuff sorted out!