you probably have plugged egr ports . it forces the # 4 cylinder to eat all of the recirc gases thus a # 4 clylider miss fire. mine was easy to clean , it has 4 pipe pluge on the egr manifold that are in line with the ports that go into the cylinder DAN
The 2010 Nissan Frontier has an inline 4 engine.
The 2012 Nissan Frontier has an inline 4 engine.
The 2013 Nissan Frontier has an inline 4 engine.
The 2009 Nissan Frontier has an inline 4 engine.
The 2014 Nissan Frontier has an inline 4 engine.
The 2005 Nissan Frontier has an inline 4 engine.
The 2003 Nissan Frontier has an inline 4 engine.
The 2002 Nissan Frontier has an inline 4 engine.
The 2008 Nissan Frontier has an inline 4 engine.
The 2004 Nissan Frontier has an inline 4 engine.
The 2007 Nissan Frontier has an inline 4 engine.
The 2011 Nissan Frontier has an inline 4 engine.