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1990 Buick Century Question: where is the egr valve located ? any websites with diagrams?



bcentury, 3.3L V6, Tempe, AZ, April 26, 2013, 13:41

failed emissions nox

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  • Answer #1

    goodguy April 27, 2013, 04:25

    should be in the intake at the top of the engine with eletrical plug going to it

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