-Lean??? Throttle body FI here (1990 Ram D100/150 2 wheel drive automatic LWB pickup)
-Kink in bottom hose? Nahhh, all have wire coils
-Air pockets, nahh, drilled 3/32" hole in stat
-All hoses, clamps, water pump, stat...NEW
-Drilled stat since problems persisted...no such luck...problem...