At a glance
What can fail
The evaporative emission system may not meet emissions standards due to a faulty purge solenoid valve that controls fuel vapor flow.
What the fix does
Dealers will replace the evaporative emission canister purge solenoid valve and, for Oldsmobile Cutlass Supreme Convertibles, replace the PROM.
Summarized — see the official notice for exact wording, dates, and contacts.