no.....4.0 straight 6
Not with out some other catastrophic failure occurring first.
No,
The valves are not adjustable on a 1998 Jeep.
The 2007 Jeep Compass has 16 valves.
The 2007 Jeep Wrangler has 12 valves.
The 2013 Jeep Wrangler has 24 valves.
The 2010 Jeep Wrangler has 12 valves.
The 2008 Jeep Patriot has 16 valves.
The 2002 Jeep Wrangler has 8 valves.
The 2008 Jeep Compass has 16 valves.
The 2009 Jeep Patriot has 16 valves.
No, the valves are not adjustable on a Jeep 4.0L.