NF2 Factory-verified

GMC · Regular Production Option

Emission system, federal, Tier 1

Years 1998–07 Models 12 Factory citations 37

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Also described as Emissions, Federal Tier 1

Also documented for Buick Cadillac Chevrolet Oldsmobile Pontiac Saturn

Documented applications

Envoy — GMT360 (2002–2009)

2002, 2003 Factory-verified internal

GM factory document — 2002 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2003 gmc envoy 4wd rpo code list, p.1.

Jimmy — second generation (1995–2001)

1999, 2000 Factory-verified internal

GM factory document — 1999 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2000 gmc jimmy 4wd rpo code list, p.1.

Safari — Second generation (1995–2005)

1998–2001, 2004 Factory-verified internal

GM factory document — 1998 gmc safari 2wd rpo code list, p.1.
GM factory document — 1999 gmc safari 2wd rpo code list, p.1.
GM factory document — 2000 gmc safari 2wd rpo code list, p.1.
GM factory document — 2001 gmc safari 2wd rpo code list, p.1.
GM factory document — 2004 gmc safari 2wd rpo code list, p.1.

Savana — GMT600 (1996–2002)

1998–2002 Factory-verified internal

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.
GM factory document — 2001 gmc savana rpo code list, p.1.
GM factory document — 2002 gmc savana rpo code list, p.1.

Savana — GMT610 (2003–2027)

2003 Factory-verified internal

GM factory document — 2003 gmc savana rpo code list, p.1.

Sierra — GMT400 (1988–2000)

1998–2000 Factory-verified internal

GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

1999–2000, 2002–2007 Factory-verified internal

2005–2007: heavy-duty models only (GM’s HD list)

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2002–2007 Factory-verified internal

GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sonoma — second generation (1994–2004)

1999–2000 Factory-verified internal

GM factory document — 1999 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2000 gmc sonoma pickup 4wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified internal

GM factory document — 1998 gmc gmc suburban 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999)

1998–1999 Factory-verified internal

GM factory document — 1998 gmc yukon 2wd rpo code list, p.1.
GM factory document — 1999 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2000, 2002–2003 Factory-verified internal

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2002 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2003 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of NF2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.