One problem related to tank filler pipe and cap has been reported for the 2009 Dodge Nitro. The most recently reported issues are listed below.
The contact owns a 2009 Dodge Nitro. The contact stated that when he opened the fuel tank cap the bolts were covered with rust on both sides. The dealer was contacted and stated that the bolts do not come with a coating and there were no related recalls. The failure mileage was 900.