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Re: Key with a chip?
Posted to Technical Discussion Forum on 1/2/2019 27 Replies

The F550 was my final clue but my info for key learning stands. FYI there are several variations of 5.3 engines that year although I doubt that would influence diag procedures on this. There are different prrocedures and immobilizer for U.S. and Canadian vehic... Login to read more.

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