I have a 2001 Jeep Liberty Sport 4x4. 150,000 miles. I had the ignition coil changed on cylinder #5 last weekend and then this weekend it started spewing black smoke out the tailpipe. Dealer says cylinder #2 is misfiring and he would have to replace the cylinder head. About a $2500 repair. The ma…

Is it worth it? help

jtsanders February 12, 2012, 4:10am 4

How did they determine that the valve seat dropped? Did they test cylinder compression?