CEL on. Says it's the MAF.

[Mx-5 driver]

Originally Posted by Topless

Without the specific codes it is a shot in the dark. Could be:
Bad Maf
Intake Air leak
Bad AOS
Fouled throttle body

If the car is running ok, drive it until the CEL comes on again. Write down the error codes and check back. These cars are pretty easy to fix if you know where to look.

The AOS was changed last year. I am hoping its just a MAF issue.