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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    LG0 Single-source

    Pontiac · Regular Production Option

    Engine, 2.3L L4, DOHC, high output, multiport fuel injection (Quad 4)

    Years 1989–91 Models 1
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    Also documented for ChevroletOldsmobile

    Documented applications

    Grand Am — N-body (1985–1991)
    • 1989–1991 Single-source

      180 hp, SE; manual 5 speed only, not with the automatic; the first 200 were red coupes with gray interior, late in the model year; Wikipedia's Grand Am article and its Quad 4 engine article (not independent)

    This page aggregates every documented appearance of LG0 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.