Engine, 2.4L DOHC I4 (twin cam), sequential injection

Years 1996–02 Models 2 Factory citations 10

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Also described as Engine, 2.4L, 4 cylinder, DOHC

Also documented for Buick Oldsmobile Pontiac

Documented applications

Cavalier — third generation (1995–2005)

1996–2002 Factory-verified

Z24; optional on LS sedan and convertible (1997); 1996 per Wikipedia (no listed kit page shows it)

GM factory document — 1998 chevrolet cavalier rpo code list, p.1.
GM factory document — 2002 chevrolet cavalier rpo code list, p.1.
GM Heritage factory kit — 1997 Chevrolet Cavalier, p.96.
GM Heritage factory kit — 2002 Chevrolet Cavalier, p.22.

Malibu — Fifth generation (1997–2005)

1997–2000 Factory-verified

1997 from the Malibu kit order guide.

GM factory document — 1998 chevrolet malibu rpo code list, p.1.
GM factory document — 1999 chevrolet malibu rpo code list, p.1.
GM factory document — 2000 chevrolet malibu rpo code list, p.1.
GM Heritage factory kit — 1997 Chevrolet Malibu, p.7.
GM Heritage factory kit — 1998 Chevrolet Malibu, p.6.
GM Heritage factory kit — 1999 Chevrolet Malibu, p.27.

This page aggregates every documented appearance of LD9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.