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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    LQ5 Factory-verified

    Chevrolet · Regular Production Option

    2.0 L (121 cu in) L4, electronic fuel injection

    Years 1983–86 Models 1 Factory citations 4
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    Also documented for BuickCadillacOldsmobilePontiac

    Documented applications

    Cavalier — first generation (1982–1987)
    • 1983–1986 Factory-verified

      base engine; the 1983 engine page p.5 prints it L02, p.6 LQ5

      GM Heritage factory kit — 1983 Chevrolet Cavalier, p.6.
      GM Heritage factory kit — 1984 Chevrolet Cavalier, p.26.
      GM Heritage factory kit — 1985 Chevrolet Cavalier, p.5.
      GM Heritage factory kit — 1986 Chevrolet Cavalier, p.5.

    This page aggregates every documented appearance of LQ5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.