Problem Reports
Buick Rainier
Report: Check Engine Light Due to Gas Cap Issue
Buick Rainier Problem
Model Years Affected: 2004, 2005, 2006, 2007
Average Mileage: 76,283 mi (38,000 mi - 95,000 mi)
A Loose or worn gas cap may cause Check Engine Light to illuminate.
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Visitor, 2004 Buick Rainier, 38,000 mi
removed gas cap and reinstalled. After a tank of gas the light went off. It has occurred twice with same result.
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Visitor, 2004 Buick Rainier, 85,000 mi
A Toy Story Sticker solved this one for me. I stuck it right over the indicator light!! THe darn thing comes on EVERY time that I am almost empty. As soon as I fill up, it may go off, it may not. Sometimes I only have to turn the car off, go outside and screw the cap on again. It's not a very smart car.
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Visitor, 2004 Buick Rainier, 95,000 mi
Check engine light comes on frequently due to gas cap :(
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Visitor, 2004 Buick Rainier, 88,700 mi
Gas cap no longer latches causing the check engine light to illuminate.
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