BEFORE you go that route.
Trying using CF MAF Cleaner as per the directions.
That stuff is amazing.
For less than $10.00 you never know what good surprise
this may turn up.

 

I just replaced my MAF last night with a aftermarket one. After installing, I let it idle for 20 minutes and then took it for a drive 10 miles down the road. It drove horrible, had no power and bucked a few times when I got on it hard. I took it out and put the old one in and it's good to go. Runs as good as before but the CEl is still on. Gonna try to clear it tonight now that I have a scanner.