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June 4, 2020 Service bulletin

In all of the affected vehicles, there are shallow pressed valve seats in the cylinder heads

Ford technical service bulletin 20B21 for 2020 Ford F-150, 2020 Ford Transit and 2020 Ford Explorer Police Intercept.

Bulletin number
20B21
Component
Engine and engine cooling
Summary
In all of the affected vehicles, there are shallow pressed valve seats in the cylinder heads. This may lead to a rough idle, engine misfires with a reduction in power/torque, and a check engine/wrench light illuminated.

Owners of these vehicles have filed 144 complaints in the engine category.

Vehicles covered

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