Following are vacuum diagrams for most of the engine and emissions package combinations. Because vacuum circuits will vary based on various engine and vehicle options, always refer first to the vehicle emission control information label, if present. Should the label be missing, or should vehicle be equipped with a different engine from the vehicle's original equipment, refer to the diagrams below for the same or similar configuration.
If you wish to obtain a replacement emissions label, most manufacturers make the labels available for purchase. The labels can usually be ordered from a local dealer.
Fig. 1988-1990 Continental typical vacuum diagram-3.8L engine
Fig. 1988-1990 Mark VII typical vacuum diagram-5.0L engine
Fig. 1988-1990 Town Car typical vacuum diagram-5.0L engine (1 of 2)
Fig. 1988-1990 Town Car typical vacuum diagram-5.0L engine (2 of 2)
Fig. 1991 Town Car typical vacuum diagram-4.6L engine (1 of 2)
Fig. 1991 Town Car typical vacuum diagram-4.6L engine (2 of 2)
Fig. 1991 Mark VII typical vacuum diagram-5.0L engine
Fig. 1992 Continental typical vacuum diagram-3.8L engine
Fig. 1992 Town Car typical vacuum diagram-4.6L engine (1 of 2)
Fig. 1992 Town Car typical vacuum diagram-4.6L engine (2 of 2)
Fig. 1992 Mark VII typical vacuum diagram-5.0L engine
Fig. 1993 Town Car typical vacuum diagram-4.6L engine (1 of 2)
Fig. 93 Town Car typical vacuum diagram-4.6L engine (2 of 2)
Fig. 1993 Continental typical vacuum diagram-3.8L engine
Fig. 1993 Mark VIII typical vacuum diagram-4.6L engine (1 of 2)
Fig. 1993 Mark VIII typical vacuum diagram-4.6L engine (2 of 2)
Fig. 1994 Town Car typical vacuum diagram-4.6L engine (1 of 2)
Fig. 1994 Town Car typical vacuum diagram-4.6L engine (2 of 2)
Fig. 1994 Continental typical vacuum diagram-3.8L engine
Fig. 1994 Mark VIII typical vacuum diagram-4.6L engine (1 of 3)
Fig. 1994 Mark VIII typical vacuum diagram-4.6L engine (2 of 3)
Fig. 1994 Mark VIII typical vacuum diagram-4.6L engine (3 of 3)
Fig. 1995 Town Car typical vacuum diagram-4.6L engine (1 of 2)
Fig. 1995 Town Car typical vacuum diagram-4.6L engine (2 of 2)
Fig. 1995 Continental typical vacuum diagram-4.6L engine
Fig. 1995 Mark VIII typical vacuum diagram-4.6L engine (1 of 3)
Fig. 1995 Mark VIII typical vacuum diagram-4.6L engine (2 of 3)
Fig. 1995 Mark VIII typical vacuum diagram-4.6L engine (3 of 3)
Fig. 1996 Town Car typical vacuum diagram-4.6L engine (1 of 2)
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