Some 2013-2019 Ford F-Super Duty trucks equipped with a 6.7L engine may exhibit an illuminated MIL with only DTC P2074 stored in the PCM. This may simply be due to a dirty air filter. Do not replace the PCM or MAF sensor for this concern. Instead perform a MAF parameter reset under Toolbox>Powertrain>Service Functions>Reset/Clear Specified Function>Reset/Clear Functions>MAF Sensor.
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