2.2 L (133 cu in) L4, throttle-body fuel injection

Years 1990–91 Models 3 Factory citations 6

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Documented applications

Beretta — L-body (1987–1996)

1990–1991 Factory-verified

base engine; the 1990–1991 order pages write electronic fuel injection and the engine pages throttle body injection; not with the GT; same description as cavalier-gen2

GM Heritage factory kit — 1990 Chevrolet Beretta, p.11.
GM Heritage factory kit — 1991 Chevrolet Beretta, p.6.

Cavalier — second generation (1988–1994)

1990–1991 Factory-verified

base engine except on the Z24; the 1991 guide writes EFI

GM Heritage factory kit — 1990 Chevrolet Cavalier, p.4.
GM Heritage factory kit — 1991 Chevrolet Cavalier, p.15.

Corsica — L-body (1987–1996)

1990–1991 Factory-verified

base engine; not with the LTZ; the 1990 order guide and the 1991 power teams page write electronic fuel injection, the 1990 power teams page throttle body injection; same description as beretta-gen1

GM Heritage factory kit — 1990 Chevrolet Corsica, p.18.
GM Heritage factory kit — 1991 Chevrolet Corsica, p.6.

This page aggregates every documented appearance of LM3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.