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At 110000 miles it could be:
1. the serpentine belt or one of the idler pulleys
2. the water pump
3. the timing belt or one of its idler pulleys
4. to a lesser extent, the power steering pump
5. a valve lifter
Here is a video showing what is on the front of the engine
You may want to get a mechanics stethoscope and carefully start trying to pinpoint the noise [keep fingers far away from belts and pulleys, I know 3 people that lost finger tips this way].
oil consumption of say 1/2 litre in 5.000miles would be normal even 1 litre in 5.000miles would be ok but any thing else is staring to be excessive. Oil consumption is an indication of a problem with the oil control rings and valve stem seals . Add to that your statement of a knock coming from the exhaust I would be inclined to have a compression test done to determine the condition of the engine . I consider 65.000 miles to be a little young for bad oil consumption so with the noise I would suspect a broken ring and a scored bore
If you have low oil pressure you should have a waring light or message, the engine will become noisy and if it is not repaired very soon you will here first a loud tapping noise then a loud knocking deep in the engine, and finally the engine will worst case blow up and parts may come out the bottom through the oil pan. Never drive any car that shows a low oil pressure warning light or message, stop the engine right away and have it checked by a shop.
Anything is possible, But first check your oil and make sure nothing is hitting any moving parts on your motor. Like your pulleys were your belt runs.After you do this repost with results.If there is no oil return to place you had the oil change done.
I have a 2006 with a 3.5 (41,000 miles). No oil consumption but had the knock. Started as a slight knock and continued to get louder. My buddy works at the dealer and hooked me up. Chrysler knows about this problem, it's the rocker arm assembly coming apart. They have a new revised part to fix the problem. THEY NEED TO RECAL THIS.
You can take your car into almost any auto parts store and they will hook it up to a diagnostic computer for free. This computer will read the error code from you car and they will look up this code and tell you why your check engine light is on. Most auto parts stores will also give you free advice about what to do about the problem depending on what the error code is. In additions to pulling your codes and giving you advice, auto parts stores are usually very helpful if you have some minor car problem like a dead battery or bad windshield wipers. If you buy your new battery or windshield wipers from them they will usually install them on the spot for free.
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.
Oil consumption can be when the piston rings worn out, also valve gaides worn out.
means engine oil passes through the combustion chamber, you cant see smoke sometimes.but when condition of the piston ring is wost you can see smoke behind the exhaust.