Reprogram the PCM using the latest software level of the IDS (integrated diagnostic system) scan tool.
Some 2019-2020 Ford F-150 trucks equipped with a 5.0L flex fuel engine may exhibit an illuminated MIL with DTC P0171, P0172, P0174 and/or P0175.
This may be due to software parameters in the PCM. Reprogram the PCM using the latest software level of the IDS (integrated diagnostic system) scan tool.
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