- 2000–2001 Factory-verified
2000 list marks it export
CE4 Factory-verified
Also documented for BuickCadillacChevroletGMC
Documented applications
- 2002–2004 Factory-verified
This page aggregates every documented appearance of CE4 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.