1999 Cadillac DeVille Q&A

1999 Cadillac DeVille Question: INFORMATION LIGHT READS GAS CAP PUT NEW GAS CAP LIGHT DOES NOT GO OFF

COULD IT BE RUBBER VENT HOSE -
Answer 1
It may have a small leak in the evaporative emission system. It could be about a dozen different things. Have a professional diagnosis done. -
Comment 1
problem was solved it was the gas filler neck that was leaking fumes detected by puting smoke in the system -