Gas Cap Warning Light On on Nissan Altima

The gas cap warning light may illuminate. The can be caused by a loose or defective gas cap or a small leak in the evaporative system. A small leak can be very difficult to diagnose, often times a smoke machine can be used to try and isolate a leak.

Average mileage: 46,852 (15,558–88,000)
3 model years affected: 2010, 2011, 2012
9 people reported this problem
6 people shared problem details
2012 Nissan Altima15,558
Loose gas cap message showing on display after filling the tank the other day. Removed cap and retightened cap several times. Message is still displaying.
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Loose Fuel Cap light came on at about 3/4 tank today for the first time. Unscrewed and re-tightened cap several times but notification has not gone away.
Gas cap light came on today. We purchased a beautiful 2011 slightly used Nissan Altima purchased last Friday. The car is a dream to drive, very comfortable, love the key fob/no shifting, but argh...this light shocked me today! I sure hope this will not be a continuing saga. Oh bother!!! Went to dealer today, and they seemed unshocked by it...told me to bring back if happens again...sure hope not in vapor system, too. sure hope does not happen again or more like above poster. :(
Gas cap waring light comes on abot 100 miles after putting gas in the car. This then turns on the check engine light. Been to the dealer each time, one answer the gas cap was loose and it will reset in about a week, the second time the cap has to be put in an exact way to prevent the problem. I do know how to put a gas cap on and feel there may more to this problem.
2012 Nissan Altima37,000
The loose gas cap light has come on, along with the check engine light. Tried redoing the cap several times, and turning on and off the car. The light has not gone away.
check engine light comes on when tank is not full but once filled tight goes out. constantly having to unscrew gas cap to make light go out. sometimes this works, sometimes not
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