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The 2008 list gives abbreviated names and adds do not release parts; the 2009 list prints Guatamala.
CZ1 Factory-verified
Also documented for BuickCadillacChevroletGMCHummerSaturn
Documented applications
This page aggregates every documented appearance of CZ1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.