A Loose or worn gas cap may cause Check Engine Light to illuminate.
Car Problem Reports
Saturn LS1 Check Engine Light Due to Gas Cap Issue
Saturn LS1 Problem
Model Year Affected: 2000
I have been having check enging light on I have oxygen sensor replaced and several other parts and light comes back on an they say it has something to do with gas cap not on proper I bought another gas cap and my gas gauge stopped working I put the old gas cap on and I wonder if the gas cap has a sensor can anyone tell me this info