YA7 ◑ Single-source

Pontiac · Regular Production Option

Emission certificate, California

Years 1990 Models 1

Query this via API →

Also documented for ChevroletGMC

Documented applications

Firebird — Third generation (1982–1992) →

• 1990 ◑ Single-source internal

  ; Firebird years: 3rdgenformula option pages 1990

This page aggregates every documented appearance of YA7 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.