7.3 EX DTC 1248 code

[GreenMachine]

My mom's ex has a check engine light on and it keeps coming up as a 1248. I replaced the MAF because my father thought that was it. No change. Checked for leaks and everything is tight and not leaking.

Any ideas where to go next?

 

[GreenMachine]

Bump I need help lol

 

[duck fan]

Check the line from the MAP sensor to the spider