Fixing Ford Engine Oil Pressure Problem

Nov. 8, 2023
Some 2018 Ford Expedition vehicles built on or before May 3, 2018, may exhibit a MIL on with DTC P0521 (abnormal/inconsistent oil pressure sensor).

Some 2018 Ford Expedition vehicles built on or before May 3, 2018, may exhibit a MIL on with DTC P0521 (abnormal/inconsistent oil pressure sensor). If this DTC is stored in the PCM, check engine oil pressure using a test gauge. If pressure is normal, reprogram the PCM to the latest release.

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Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

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