2009 GMC Yukon Hybrid Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2009 GMC Yukon Hybrid
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2009 GMC Yukon Hybrid 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.