NC1 Factory-verified

Oldsmobile · Regular Production Option

Emission system, California, LEV

Years 1999–04 Models 6 Factory citations 17

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Also documented for Buick Cadillac Chevrolet GMC Hummer Pontiac Saturn

Documented applications

Alero — N-body (1999–2004)

2001–2004 Factory-verified internal

GM factory document — 2001 oldsmobile alero rpo code list, p.1.
GM factory document — 2002 oldsmobile alero rpo code list, p.1.
GM factory document — 2003 oldsmobile alero rpo code list, p.1.
GM factory document — 2004 oldsmobile alero rpo code list, p.1.

Aurora — G-body (2001–2003)

2001–2003 Factory-verified internal

GM factory document — 2001 oldsmobile aurora rpo code list, p.1.
GM factory document — 2002 oldsmobile aurora rpo code list, p.1.
GM factory document — 2003 oldsmobile aurora rpo code list, p.1.

Bravada — GMT330 (1996–2001)

1999–2001 Factory-verified internal

GM factory document — 1999 oldsmobile bravada rpo code list, p.1.
GM factory document — 2001 oldsmobile bravada rpo code list, p.1.

Bravada — GMT360 (2002–2004)

2002–2004 Factory-verified internal

GM factory document — 2002 oldsmobile bravada rpo code list, p.1.
GM factory document — 2003 oldsmobile bravada rpo code list, p.1.
GM factory document — 2004 oldsmobile bravada rpo code list, p.1.

Intrigue — W-body (1998–2002)

2000–2002 Factory-verified internal

GM factory document — 2000 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2001 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2002 oldsmobile intrigue rpo code list, p.1.

Silhouette — U-body second generation (1997–2004)

2000, 2003 Factory-verified internal

GM factory document — 2000 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2003 oldsmobile silhouette ext rpo code list, p.1.

This page aggregates every documented appearance of NC1 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.