- 1999–2001 Factory-verified
K18 Factory-verified
Also described as Air injection reactor system, electric
Also documented for BuickChevroletGMCHummer
Documented applications
- 2004 Factory-verified
This page aggregates every documented appearance of K18 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.