1 Home addition cost estimates of $80 to $130 per square foot for a basic family room addition is common. 2  If the home addition includes a bathroom and/or a kitchen, the room addition costs can easily escalate to $200-250 per square foot.3  Quality and materials used are the other cost factors in a home addition.rimary factor, specifications of in the room addition plans. Examples: 1  Home addition cost estimates of $80 to $130 per square foot for a basic family room addition is common. 2  If the home addition includes a bathroom and/or a kitchen, the room addition costs can easily escalate to $200-250 per square foot.
Oil Pressure Sensor tracks the pressure of the oil in the engine. Sometimes the pressure sensor can fail and allow oil to escape through it-usually a fairly dramatic oil leak. To fix, replace the Oil Pressure Sensor.Finding oil on the outside of your engine is never a good sign.n some cases the bolts that hold the Oil Pan tight to the engine get loose allowing oil to escape. Replace Oil Pan Gasket. The next two items are common causes of an Engine Oil leak brought on by your last Oil Change. Oil Filter removes any dirt from engine oil as the oil is pumped around the engine.
Step 3 â Check the Valve-Train. Check for leaks in the valve-train as the valves seals in the valve-train prevent engine oil from entering the combustion area. A leak in the valve seals could be the cause of smoke and exhaust pipe oil-leaking too.