Engine, 2.5L L4, electronic fuel injection

Years 1991–93 Models 1 Factory citations 3

Also documented for Chevrolet

Documented applications

Sonoma — first generation (1982–1993)

1991–1993 Single-source

the kit pages print L38 for the 2.5L L4 where the earlier books print LN8; the 1991–1993 kit pages are Chevrolet pages; Sonoma years: Wikipedia's S-series engine table 1991–1993; shared S-series code; 1991–1993 rests on the Chevrolet-only S-10 books, so the row is single-source

GM Heritage factory kit — 1991 Chevrolet S 10, p.9.
GM Heritage factory kit — 1992 Chevrolet S 10, p.16.
GM Heritage factory kit — 1993 Chevrolet S 10, p.6.

This page aggregates every documented appearance of L38 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.