sometimes a code will set for a MAF, not always though. but yes, most of the time it will set a code. have you done a vacuum test yet, or are you assuming?

as for the p code (aka DTC) those are for telling you what the problem is, not what the cause of the problem generally. at least that has been my experience, cuz there is many times a blown fuse, bad connection, or sometimes the sensor is actually bad.

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93 ranger ext. cab 4.0L auto 6" SJ/custom lift--37" super swamper truxs M/T tires--lock rite locker w/ 4.56 gears up front--warn hubs--exploder 8.8 w/ disc brakes 4.56 gears and detriot locker--one-piece driveline--bushwacker cut-out flares--Bilstein 5150 shocks--2 10" xcite subs w/ 1600W Crunch amp-- tinted windows

waiting for: dual steering stabilizer, put on 3" body lift(in my room), dual shock setup, electric fan, possible SAS with a waggy D44