Buick · Canada · Mod
Buick Riviera, Regal +2 more: Emissions
Affects Buick Riviera, Regal, Century, Lesabre · 1980 — about 1K vehicles.
The hazard
THE MAINTENANCE SCHEDULE SPECIFIES A 30,000 MILE (48,000 KM) INTERVAL BETWEEN SPARK PLUG CHANGES INSTEAD OF THE CORRECT 22,500 MILE (36,000KM) INTERVAL. THE INCORRECT INTERVAL IF FOLLOWED MAY AFFECT AIR EMISSION CONTROL PERFORMANCE. THESE VEHICLES DO NOT COMPLY WITH CANADA MOTOR VEHICLE SAFETY STANDARD 1103 - EXHAUST EMISSIONS.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational