1998 Cadillac Seville STS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1998 Cadillac Seville STS
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1998 Cadillac Seville STS ProblemsCheck Engine Light Due to Gas Cap Issue
A Loose or worn gas cap may cause Check Engine Light to illuminate.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
1998 Cadillac Seville STS QuestionsWipers work only on high speed ,low speed. Intermittent and washer do not work (2 answers)
came and went at first now permanent. Wipers also stop in up position when turned off