Engine, 1.9L L4, 2 barrel

Years 1982–85 Models 2 Factory citations 5

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Also documented for GMC

Documented applications

S-10 Blazer — First generation (1983–1994)

1983 Factory-verified

California emissions only (YF5) in the 1983 power teams; the 1984 power team page runs the code into the cylinder count (LR114) and the 1984 option pages print LR1 only in cross-references, so 1984 is left out

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.6.

S-10 pickup — First generation (1982–1993)

1982–1985 Factory-verified

the 1982 page prints LRI

GM Heritage factory kit — 1982 Chevrolet S 10, p.5.
GM Heritage factory kit — 1983 Chevrolet S 10, p.33.
GM Heritage factory kit — 1984 Chevrolet S 10, p.41.
GM Heritage factory kit — 1985 Chevrolet S 10, p.20.

This page aggregates every documented appearance of LR1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.