Problem Reports
Buick Century
Report: Check Engine Light Due to Gas Cap Issue
Buick Century Problem
Model Years Affected: 1998, 2000, 2001, 2002, 2003, 2004
Average Mileage: 90,800 mi (50,000 mi - 169,000 mi)
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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Report #1pfmills, 2003 Buick Century, 84,000 mi
Rookiegot to click that gas cap at least 5 times when replacing it.
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Report #2danshe, 2003 Buick Century, 51,000 mi
RookieWas in Florida and the light came on and when I got gas the cap was lose, tightened it up drove for a 1000 miles ant went off. Later same problem tightened it and light went off in a few miles.
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Report #3Visitor, 2003 Buick Century
I had to have the gas cap replaced because the light kept coming on and once the cap was changed no more problems.
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Report #4Visitor, 2003 Buick Century, 50,000 mi
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Report #5Visitor, 2000 Buick Century, 100,000 mi
NEVER overfill your gas tank. When filling up and the gas hose clicks off at the pump DO NOT fill to max. Also Make sure the gas cap is tight after filling so as not to create a vaccum. Common sense fixes this problem.
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Report #6Visitor, 2001 Buick Century, 169,000 mi
gas cap hard to put on right , causes the check engine light to come on the next few miles
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