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post #1 of 26 (permalink) Old 08-08-2016, 10:42 AM Thread Starter
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Question Oil consumption test pass/fail criteria

I will be dropping my car off for oil consumption test at the dealer. Does anyone know what are the test steps and pass/fail criteria?

Some details about my 2011 Sonata:
1. 110000 miles on the odometer
2. Car uses at least 1qt of oil every 1000 miles
3. No smoke, no leaks or loss of power
4. Covered by engine recall and extended warranty
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post #2 of 26 (permalink) Old 08-08-2016, 11:42 AM
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Originally Posted by jpolinki View Post
I will be dropping my car off for oil consumption test at the dealer. Does anyone know what are the test steps and pass/fail criteria?

Some details about my 2011 Sonata:
1. 110000 miles on the odometer
2. Car uses at least 1qt of oil every 1000 miles
3. No smoke, no leaks or loss of power
4. Covered by engine recall and extended warranty
You'll have to take it back to the dealer every 1000 miles for another 3 trips. Then they'll do the math with how much oil has been added for each time in. If they do it correctly, that is.
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post #3 of 26 (permalink) Old 10-26-2016, 12:37 PM
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I have been going through the same struggle with my 2011 Sonata SE. Burns 1 quart of oil every 1000 miles. I'm on my 3rd oil consumption test. The dealer is saying this is normal consumption but I completely disagree. Manual says change the oil every 7500 miles. So with that recommendation I am changing my oil completely out every oil change.

Engine only holds 5 quarts of oil, burns 1 quart every 1000 miles = 7 quarts of oil in between every oil change.

118,000 miles and this has been happening since 55,000 miles when I first complained about it. This is my 2nd YF Sonata SE and my first one never had this issue. My wife's 2012 Santa Fe with the 2.4 doesn't burn a lick of oil in between changes.

And of course my car passed the Engine recall and received the Red Dip Stick so it doesn't qualify for a replacement.

NOT PLEASED.

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post #4 of 26 (permalink) Old 10-26-2016, 01:15 PM
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Industry std is considered 1qt per 1000 mile

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post #5 of 26 (permalink) Old 10-26-2016, 09:49 PM
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Originally Posted by sbr711 View Post
Industry std is considered 1qt per 1000 mile
That is a CYA statement that has been used for at least 60 years.

Modern cars should not be held to that standard.

100K on a car used to be considered worn out. A 12K warranty was it at most, usually less.

With advanced machining, parts, and other techniques, cars last much longer and should not burn oil at that rate.

Last edited by grandpaswagon; 10-26-2016 at 09:52 PM.
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post #6 of 26 (permalink) Old 10-26-2016, 10:09 PM
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yea, but essentially nothing really changed in engine operation too, crank go roundy round, pistons go up and down.. and oil still basically oil.. todays' trend seems to be low tension piston rings, short skirts, and oil seems to find it way past,, add the monkey who keeps old crapped out oil in the crankcase, rather than clean oil
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post #7 of 26 (permalink) Old 10-27-2016, 08:01 AM
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Originally Posted by mparker View Post
I have been going through the same struggle with my 2011 Sonata SE. Burns 1 quart of oil every 1000 miles. I'm on my 3rd oil consumption test. The dealer is saying this is normal consumption but I completely disagree. Manual says change the oil every 7500 miles. So with that recommendation I am changing my oil completely out every oil change.

Engine only holds 5 quarts of oil, burns 1 quart every 1000 miles = 7 quarts of oil in between every oil change.

118,000 miles and this has been happening since 55,000 miles when I first complained about it. This is my 2nd YF Sonata SE and my first one never had this issue. My wife's 2012 Santa Fe with the 2.4 doesn't burn a lick of oil in between changes.

And of course my car passed the Engine recall and received the Red Dip Stick so it doesn't qualify for a replacement.

NOT PLEASED.
An OCI of 7.5K miles does NOT imply that no oil is to be added over that interval! The expectation by the car makers is that YOU keep the oil level FULL (with the rated oil) over that interval and then change it and the filter when the interval expires or sooner depending on driving conditions as outlined in your manual.

That being said, having to add 1qt of oil every 1K miles is vastly excessive to me (an Engineer) and indicates some other issue has happened. Do you have the dreaded turbo oil line leak? How about the oil pan? Does the car burn an oil (i.e., smokes)? How is the fuel mileage?

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post #8 of 26 (permalink) Old 10-27-2016, 09:56 AM
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My Accent has always used some oil, with a a heavier weight and HM oil it is lessened. My Gen Coupe does not burn a drop of oil.

"Imagine a world in which we are all enlightened by objective truths rather than offended by them." Neil deGrasse Tyson
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post #9 of 26 (permalink) Old 10-27-2016, 01:12 PM
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Originally Posted by williamhood View Post
An OCI of 7.5K miles does NOT imply that no oil is to be added over that interval! The expectation by the car makers is that YOU keep the oil level FULL (with the rated oil) over that interval and then change it and the filter when the interval expires or sooner depending on driving conditions as outlined in your manual.

That being said, having to add 1qt of oil every 1K miles is vastly excessive to me (an Engineer) and indicates some other issue has happened. Do you have the dreaded turbo oil line leak? How about the oil pan? Does the car burn an oil (i.e., smokes)? How is the fuel mileage?
I feel it's excessive also, dealer says it's within normal range. It's not a turbo it's the SE and no visible oil leaks anywhere. I do notice a grey smoke when I step on it to pass a car on the freeway. I don't see this when taking off from a stand still. Only when I step on it to downshift and pass someone. I mainly notice this at night as I see the smoke in my rear view mirror in other cars headlights. I have reported this to the dealer. They still claim it's normal.

I have gone as far as to open a case with Hyundai directly so they are monitoring it, especially since they have been hit with the class action lawsuit in recent months regarding their engines. I'm just not pleased with the response that it's considered "Normal".
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post #10 of 26 (permalink) Old 10-28-2016, 01:54 PM
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Originally Posted by mparker View Post
I feel it's excessive also, dealer says it's within normal range. It's not a turbo it's the SE and no visible oil leaks anywhere. I do notice a grey smoke when I step on it to pass a car on the freeway. I don't see this when taking off from a stand still. Only when I step on it to downshift and pass someone. I mainly notice this at night as I see the smoke in my rear view mirror in other cars headlights. I have reported this to the dealer. They still claim it's normal.

I have gone as far as to open a case with Hyundai directly so they are monitoring it, especially since they have been hit with the class action lawsuit in recent months regarding their engines. I'm just not pleased with the response that it's considered "Normal".
Do you have 118k on this car? If so - it should not be under a warranty and in that case why do you care what the dealer says? If you're sure that it burns oil and you want to pay for a fix - just go to any good engine specialist and pay for a fix. As far as engine seizure recall - I'm afraid it needs to knock or seize to qualify for engine replacement.
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