Fuel Pump?
Fuel Filter?
Catalytic converter?
Air filter?
While all of the above will affect the engine speed performance, the sputtering or popping you are experiencing is caused by the oxygen sensor. It can cause this problem without causing a check engine light to come on.
Yes, if you had to make a sudden move at highway speeds you may lose control.
The EPA range estimate for the 2009 Jeep Wrangler is 279.0 mi. in the city, 353.4 mi. on the highway.
The EPA range estimate for the 2011 Jeep Wrangler is 279.0 mi. in the city, 353.4 mi. on the highway.
The EPA range estimate for the 2005 Jeep Wrangler is 304.0 mi. in the city, 361.0 mi. on the highway.
The EPA range estimate for the 2004 Jeep Wrangler is 304 mi. in the city, 361 mi. on the highway.
The EPA range estimate for the 2010 Jeep Wrangler is 279.0 mi. in the city, 353.4 mi. on the highway.
The EPA range estimate for the 2001 Jeep Wrangler is 323 mi. in the city, 361 mi. on the highway.
The EPA range estimate for the 2002 Jeep Wrangler is 304 mi. in the city, 361 mi. on the highway.
The EPA range estimate for the 2008 Jeep Wrangler is 279.0 mi. in the city, 353.4 mi. on the highway.
The EPA range estimate for the 2007 Jeep Wrangler is 279.0 mi. in the city, 334.8 mi. on the highway.
The EPA range estimate for the 2013 Jeep Wrangler is 316.2 mi. in the city, 390.6 mi. on the highway.
The EPA range estimate for the 2014 Jeep Wrangler is 316.2 mi. in the city, 390.6 mi. on the highway.