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5.4 VCT system
Posted to Technical Theory Forum on 12/21/2011 9 Replies

Got an 05' F150 in that I had time to play with and it left me with a few questions.

Do these cams advance or retard? The actuator only has a 2 wire plug. One wire is hot Key on. the other is duty cycled so I dont think the cam can be moved both directions. ... Login to read more.

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