- 1987, 1989 Single-source
only in: base Firebird; Firebird years: 3rdgenformula option pages 1987, 1989
D86 Single-source
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of D86 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.