Following are vacuum diagrams for most of the engine and emissions package combinations covered by this manual. 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 the vehicle be equipped with a different engine than the vehicle's original equipment, refer to the following diagrams 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. 1: An example of an emission control label on the
inside of the hood
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Fig. 2: Vacuum diagram — 1986–87 1.6L and 1.8L carbureted engines |
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Fig. 24: Vacuum diagram — 1991 2.2L fuel injected turbocharged engine |
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Fig. 26: Vacuum diagram — 1992–94 2.2L fuel injected turbocharged engine |
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Fig. 30: Vacuum diagram — 1995 2.2L fuel injected engine — continued |
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Fig. 32: Vacuum diagram — 1996 1.8L fuel injected engine (continued) |
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Fig. 34: Vacuum diagram — 1996 1.8L fuel injected engine (continued) |
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Fig. 38: Vacuum diagram — 1996 3.3L fuel injected engine (continued) |
