Engine, 4.3L V6, electronic fuel injection

Years 1985–96 Models 11 Factory citations 53

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Also described as Engine, 4.3L V6, 262 cu in, electronic fuel injectionEngine, 4.3 L V6

Also documented for GMC Oldsmobile Pontiac

Documented applications

Astro — First generation (1985–1994)

1986–1988, 1990, 1992–1994 Factory-verified

the 4.3 liter (262 cu in) V6; from 1993 the order guides list it for the 2WD models only (L35 on AWD); the 1989 pages print no engine code, and the 1991 page prints the engine without its code.

GM Heritage factory kit — 1986 Chevrolet Astro Van, p.11.
GM Heritage factory kit — 1987 Chevrolet Astro Van, p.12.
GM Heritage factory kit — 1988 Chevrolet Astro Van, p.5.
GM Heritage factory kit — 1990 Chevrolet Astro Van, p.7.
GM Heritage factory kit — 1992 Chevrolet Astro Van, p.12.
GM Heritage factory kit — 1993 Chevrolet Astro Van, p.12.
GM Heritage factory kit — 1994 Chevrolet Astro Van, p.10.

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

1988–1989, 1991–1992, 1994 Factory-verified

the 1994 technical guide names its fuel system TBI; the 1993 kit has no code page, so 1993 is not claimed

GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.8.
GM Heritage factory kit — 1989 Chevrolet Blazer, p.16.
GM Heritage factory kit — 1991 Chevrolet S 10 Blazer, p.17.
GM Heritage factory kit — 1992 Chevrolet S 10 Blazer, p.18.
GM Heritage factory kit — 1994 Chevrolet S 10 Blazer, p.21.

Caprice — third generation, B-body (1983–1990)

1985–1989 Factory-verified

262 cu in; 1986 rests on the air-conditioning weight remarks (no engine line of its own on the listed pages); 1989: fleet only, sedan (1BL69), worded throttle body injection

GM Heritage factory kit — 1985 Chevrolet Caprice, p.18.
GM Heritage factory kit — 1986 Chevrolet Caprice, p.40.
GM Heritage factory kit — 1987 Chevrolet Caprice, p.18.
GM Heritage factory kit — 1988 Chevrolet Caprice, p.10.
GM Heritage factory kit — 1989 Chevrolet Caprice, p.60.

C/K pickup — GMT400 (1988–2000)

1988–1995 Factory-verified

the 1988 pages name it the 4.3 liter (262 cu in) V6

GM Heritage factory kit — 1988 Chevrolet Truck, p.22.
GM Heritage factory kit — 1989 Chevrolet Truck, p.28.
GM Heritage factory kit — 1990 Chevrolet Truck, p.17.
GM Heritage factory kit — 1991 Chevrolet Truck, p.16.
GM Heritage factory kit — 1992 Chevrolet Truck, p.16.
GM Heritage factory kit — 1993 Chevrolet Truck, p.8.
GM Heritage factory kit — 1994 Chevrolet Truck, p.12.
GM Heritage factory kit — 1995 Chevrolet Truck, p.9.

C/K pickup — Square body (1983–1991)

1987 Factory-verified

the 1987 option page lists the 4.3 liter (262 cu in) V6 with electronic fuel injection

GM Heritage factory kit — 1987 Chevrolet Truck, p.51.

El Camino — fifth generation (1983–1987)

1985–1987 Factory-verified

Base engine

GM Heritage factory kit — 1985 Chevrolet El Camino, p.10.
GM Heritage factory kit — 1986 Chevrolet El Camino, p.5.
GM Heritage factory kit — 1987 Chevrolet El Camino, p.45.

Chevy Van — Second generation G-series (1983–1996)

1987–1996 Factory-verified

262 cu in; the 1992 (p.9) and 1996 (p.81) powertrain charts list throttle body injection (TBI).

GM Heritage factory kit — 1987 Chevrolet G Van, p.14.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.9.
GM Heritage factory kit — 1989 Chevrolet G Van, p.16.
GM Heritage factory kit — 1990 Chevrolet G Van, p.6.
GM Heritage factory kit — 1991 Chevrolet G Van, p.9.
GM Heritage factory kit — 1992 Chevrolet G Van, p.9.
GM Heritage factory kit — 1993 Chevrolet G Van, p.15.
GM Heritage factory kit — 1994 Chevrolet G Van, p.17.
GM Heritage factory kit — 1995 Chevrolet G Van, p.3.
GM Heritage factory kit — 1996 Chevrolet G Van, p.44.
GM Heritage factory kit — 1996 Chevrolet G Van, p.81.

Impala — sixth generation, B-body (1983–1985)

1985 Factory-verified

262 cu in; engine heading on the transmission page 18; the air-conditioning weight remarks (p.39) also name it with the sedan (1BL69)

GM Heritage factory kit — 1985 Chevrolet Caprice, p.18.

Monte Carlo — fourth generation (1983–1988)

1985–1988 Factory-verified

base engine; not on the SS

GM Heritage factory kit — 1985 Chevrolet Monte Carlo, p.73.
GM Heritage factory kit — 1986 Chevrolet Monte Carlo, p.32.
GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.40.
GM Heritage factory kit — 1988 Chevrolet Monte Carlo, p.34.

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

1988–1993 Factory-verified

the 1993 technical guide names its fuel system TBI

GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
GM Heritage factory kit — 1989 Chevrolet S 10, p.40.
GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
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.

S-10 pickup — Second generation (1994–2004)

1994–1995 Factory-verified

1994–1995 kits only; the 1996 kit lists LB4 as deleted and LF6 as added (1996 kit p.8)

GM Heritage factory kit — 1994 Chevrolet S 10, p.7.
GM Heritage factory kit — 1995 Chevrolet S 10, p.6.

This page aggregates every documented appearance of LB4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.