Buick Roadmaster Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Buick Roadmaster
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Buick Roadmaster ProblemsCheck Engine Light Due to Gas Cap Issue
Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
An internal distributor fault could cause the Check Engine Light to illuminate, an engine misfire, or a stalling condition. Replacement of the distributor is commonly recommend to correct this concern.
The spark plugs should be replaced every 30,000 miles and the spark plug boots should be checked for hot spots and cracks.