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  5. Replace spark plugs every 30,000 miles

1993 Buick Riviera Replace spark plugs every 30,000 miles

The spark plugs should be replaced every 30,000 miles and the spark plug boots should be checked for hot spots and cracks.

Affected Model Years

This issue affects Buick Riviera model years 1990, 1991, 1992, 1993, 1995, .

5 people reported this problem

    Buick Riviera 1993 Common Problems