RPOARCHIVE
Loading index…

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

    Pontiac · Regular Production Option

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

    Years 1988–91 Models 2
    Query this via API →

    Also described as Engine, 2.3L I4, DOHC (Quad 4)

    Also documented for BuickChevroletOldsmobile

    Documented applications

    Grand Am — N-body (1985–1991)
    • 1988–1991 Single-source

      Oldsmobile-built, 160 hp; Wikipedia's Grand Am article gives it for 1988–1991 (optional from 1988, standard in the SE from 1989, and the only Quad 4 with the automatic in 1990 and 1991); its Quad 4 engine article lists the Grand Am (not independent)

    Grand Prix — W-body (1988–1996)
    • 1990–1991 Single-source

      the 1990 LE sedan's standard engine, with a 3 speed automatic (Wikipedia); Wikipedia's Grand Prix infobox prints LD2 and its Quad 4 article lists the Grand Prix under LD2 for 1990–1991; Wikipedia's 1992 section says the Quad 4 was dropped; no listed kit page prints it

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