Emission system, general, unleaded

Years 2003–06 Models 3 Factory citations 7

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Also described as Emission system, general, OBDII malfunction indicator lamp suppression

Also documented for Buick Cadillac Chevrolet GMC Hummer Oldsmobile Saturn

Documented applications

Montana — U-body second generation (1997–2005)

2003–2005 Factory-verified internal

GM factory document — 2003 pontiac montana ext rpo code list, p.1.
GM factory document — 2004 pontiac montana ext rpo code list, p.1.
GM factory document — 2005 pontiac montana 4wd rpo code list, p.1.

Montana SV6 — Second generation, U-body (2005–2006)

2005–2006 Factory-verified internal

the list reads OBD MIL Suppression

GM factory document — 2005 pontiac montana sv6 rpo code list, p.1.
GM factory document — 2006 pontiac montana sv6 rpo code list, p.1.

Sunfire — J-body (1995–2005)

2003–2004 Factory-verified internal

GM factory document — 2003 pontiac sunfire rpo code list, p.1.
GM factory document — 2004 pontiac sunfire rpo code list, p.1.

This page aggregates every documented appearance of NF9 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.