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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    LD2 Single-source

    Buick · Regular Production Option

    2.3 L L4, DOHC, fuel injection (Quad 4)

    Years 1988–91 Models 1
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    Also documented for ChevroletOldsmobilePontiac

    Documented applications

    Skylark — N-body (1986–1991)
    • 1988–1991 Single-source

      Oldsmobile-built; Wikipedia's Skylark article and its Quad 4 engine article both give it to the Skylark 1988–1991 (not independent); no other source read prints the code for the Skylark

    This page aggregates every documented appearance of LD2 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.