Engine, gas, 6 cylinder, 3.4L, multiport fuel injection, high output, GM

Years 1996–07 Models 4 Factory citations 28

Also described as Engine, 3.4L V6, sequential fuel injectionEngine, gas, 6 cylinder, 3.4L, multiport fuel injection, high output

Also documented for Buick Oldsmobile Pontiac

Documented applications

Impala — eighth generation (2000–2005)

2000–2005 Factory-verified

The 2003 list prints sequential fuel injection (SFI) for LA1; the 2000 list adds "V6, GM". Order guides (2003 p.116, 2005 p.118) print 3.4L 3400 V6 SFI.

GM factory document — 2000 chevrolet impala rpo code list, p.1.
GM factory document — 2001 chevrolet impala rpo code list, p.1.
GM factory document — 2002 chevrolet impala rpo code list, p.1.
GM factory document — 2003 chevrolet impala rpo code list, p.1.
GM factory document — 2004 chevrolet impala rpo code list, p.1.
GM factory document — 2005 chevrolet impala rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Impala, p.43.
GM Heritage factory kit — 2004 Chevrolet Impala, p.30.

Lumina APV — U-body (1990–1996)

1996 Factory-verified

the only engine on the 1996 power teams page

GM Heritage factory kit — 1996 Chevrolet LuminaAPV, p.4.

Monte Carlo — sixth generation (2000–2007)

2000–2007 Factory-verified

The 2003 list prints sequential fuel injection (SFI); the 2000 list adds V6. Wikipedia: LS 3.4 L V6. Also in the kit's Monte Carlo order guide.

GM factory document — 2000 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2001 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2002 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2003 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2004 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2005 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2006 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2007 chevrolet monte carlo rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Monte Carlo, p.91.
GM Heritage factory kit — 2005 Chevrolet Monte Carlo, p.96.

Venture — U-body minivan (1997–2005)

1997–2005 Factory-verified

the 2003–2005 lists read sequential fuel injection

GM factory document — 1998 chevrolet venture ext rpo code list, p.1.
GM factory document — 1999 chevrolet venture ext rpo code list, p.1.
GM factory document — 2000 chevrolet venture ext rpo code list, p.1.
GM factory document — 2001 chevrolet venture ext rpo code list, p.1.
GM factory document — 2002 chevrolet venture ext rpo code list, p.1.
GM factory document — 2003 chevrolet venture ext rpo code list, p.1.
GM factory document — 2004 chevrolet venture ext rpo code list, p.1.
GM factory document — 2005 chevrolet venture ext rpo code list, p.1.
GM Heritage factory kit — 1997 Chevrolet Venture, p.45.

This page aggregates every documented appearance of LA1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.