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Re: 2013 Ford F150 Ecoboost 3.5L 4x4 Engine Replacement
Posted to Technical Discussion Forum on 3/30/2021

The different color is to prevent confusion in the sensor connections. The harness plugs should have matching colors.

A replacement engine will come with all black sensors and this can be confusing if not noted during disassembly and then marked with a paint... Login to read more.