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Believe it or not, it is normal for these engines to use about a quart every 2000 even when they are essentially new. Note that I said, "use", not "burn". The combination of higher compression and operating temperatures causes oil to pass through the engine. You might notice your tail pipes have a good coating on the inside. I managed to slow the process by converting to Mobil 1 0W40. I get much better performance and I only use a quart every 3500-4000.
Well MAX to MIN on the dipstick is a quart of oil in difference. You need to have the oil changed every 3,000 miles (5,000 miles for a synthetic). I don't think that a 2006 Nissan should burn a quart of oil every 5,000 miles. That seems a bit absurd. For much older vehicles this might be true but for a 2006, much more efficient vehicle, it should not burn a quart every 5.000 miles.
Manufacturers vary on intervals recommended. However, the old rule is the best rule....change your oil and filter every 3,000-4,000 miles. If using synthetic (common ones available in stores) that interval can be extended to 4,000 to 5,000. More exotic synthetics (such as Amsoil, using their filter) run to 5,000 miles and replace filter and oil lost during filter change. Replace all oil at 10,000. Actually a good deal even though the oil runs about $10.00 per quart.
Four quarts on 5000 miles is quite a lot. You should see white smoke from burning oil. If not then it's leaking out. After a trip top off the oil and place a sheet of cardboard under the van when parked overnight or longer. Then check the cardboard if there is oil on it it's leaking either from the drain plug or oil filter. Regardless always check your oil level and do not run it if it is low by any means. Also a visual check with a good light source should be done too. Feel the drain plug area and oil filter area for wet dripping oil. Be careful and don't do this when hot.
Good luck and I hope this helps
At 40K miles it shouldn't burn that much oil, unless the motor has been abused or overheated. With no signs of oil leaks, the engine must be burning it via the exhaust,
Change the oil (use a good quality oil) and then observe oil consumption.
If it still uses excessive oil check further as below:-
1) if it blows blue smoke on steady accelleration (pistons or ring wear),
2) only blows blue smoke on initial accelleration after a period of steady coasting or de-celleration (faulty valve stem oil seals).
Slide a large piece of cardboard under the truck after driving for ten minutes note in which area directly above the spot on the cardboard the oil is coming from then get under the vehicle with a drop light to look for the origin of the leak, if no leak is detected then it may be the engine is burning oil this could either be valve stem seals or broke or worn oil rings.
That's within acceptable limits according to Hyundai Motor America's standard: For a proper diagnosis, the amount of oil consumed over a known mileage should be checked three times and then averaged.The accumulated mileage divided by the total amount of oil added will give the consumption rate in miles per quart. If the oil consumption rate is greater than 1 quart per each 1000 miles, further diagnosis may be required.
I do not believe there is a fix by Chrysler. My van has 50000 and seems oil consumption is getting worse. It is either past the valve seals or the piston oil control ring. I believe Chrysler KNOWS ALL ABOUT THIS! If you google search this there are to many complaints! 1 quart every 3 thousand miles is not exceptable unless you are driving a model T!