Buick Century Problem Report
Buick Century Check Engine Light Due to Gas Cap Issue
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
check engine light came on. Mechanic checked code, cleared it and suggested we tighten gas cap to at least three "clicks". Three months later problem has not returned - Visitor
check engine light came on and stayed on code said vacume leak I replaced gas cap with new one and cleared code and light never came on again. - Visitor
My check engine light was on continuously. I learned that my son had recently put gas in the c...
check engine light comes on at 15 mph and goes off when I get to 45 mph.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases,...
no traction light and service vehical soon light is on. and the brake light goes on and off. ha...