NF4 Factory-verified

Oldsmobile · Regular Production Option

Emission system, clean fuel fleet

Years 2001–04 Models 2 Factory citations 5
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Also documented for BuickCadillacChevroletGMCHummerPontiacSaturn

Documented applications

This page aggregates every documented appearance of NF4 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.