- 1994 Factory-verified
the 1991 and 1993 pages print QXd and OXd, so those years are not claimed
GM Heritage factory kit — 1994 Chevrolet Lumina, p.43.
QXJ Factory-verified
Documented applications
This page aggregates every documented appearance of QXJ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.