Engine, flexible fuel (gas/ethanol), 6 cylinder, 3.9L, V6, sequential fuel injection, offset bore, GMNA

Years 2007–09 Models 2 Factory citations 3

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Also described as Engine, flexible fuel (gas/ethanol), 6 cylinder, 3.9L, sequential fuel injection

Also documented for Buick

Documented applications

Impala — ninth generation (2006–2016)

2009 Factory-verified

The 2009 Impala list prints 3.5L; GM's other lists for this code (Uplander, Montana SV6, Terraza, Lucerne) print a 3.9L V6, and the 2008 NICB manual prints an Impala 2LT with the 3.9L engine.

GM factory document — 2009 chevrolet impala rpo code list, p.1.

Uplander (2005–2008)

2007, 2008 Factory-verified

GM factory document — 2007 chevrolet uplander rpo code list, p.1.
GM factory document — 2008 chevrolet uplander rpo code list, p.1.

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