NM2 Factory-verified

GMC · Regular Production Option

Emission system, export, leaded fuel

Years 1999–02 Models 3 Factory citations 6
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Also described as Emission system, export

Also documented for CadillacChevroletPontiac

Documented applications

This page aggregates every documented appearance of NM2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.