- 1984–1988 Single-source
years from the OSG; its 1987 entry converts model PM37 to PE37, its 1988 entry 2PM37 to WPE37; the rparts and Halderman lists agree
WV9 Single-source
Also documented for CadillacChevroletGMC
Documented applications
This page aggregates every documented appearance of WV9 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.