excessive crank case pressure on 1991 Jeep yj 4.0L, i have changed ccv and checked that system which appears to be operating properly.I changed oil and filter.I did a compression test 135ish across the board w exception to No.1 hole-95lbs.Air box is bubblin w oil entering by valve cover breather hose
Feb 4, 2011 at 3:29 AM