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Issues with my Z HELP!

Originally Posted by ResIpsa The simple answer to your problem is that your motor is (was) burning oil. This is a very common problem with these VQ engines. I agree

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Old 07-29-2011, 09:32 AM   #1 (permalink)
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Originally Posted by ResIpsa View Post
The simple answer to your problem is that your motor is (was) burning oil. This is a very common problem with these VQ engines.
I agree that most likely the OP is burning oil. However, I wouldn't say it's "very common". I had to replace my VQ in my 350z because of this, but it's still the exception, not the rule.

I don't know if it's break-in method or failing seals or what, but yeah- it does happen.
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Old 07-29-2011, 10:20 AM   #2 (permalink)
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I agree that most likely the OP is burning oil. However, I wouldn't say it's "very common". I had to replace my VQ in my 350z because of this, but it's still the exception, not the rule.
Well just doing some light scanning and I have seen several engine failures due to lack of oil and many others are burning more oil than any engine ever should. The exception has become more and more common the more I look into it.
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Old 07-29-2011, 01:27 PM   #3 (permalink)
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Call me cynical, but I have come to the conclusion that it is very common for these engines to burn oil. I base that on my personal experience with three separate VQ engines. All three of my G35 engines were replaced after dealer sanctioned oil consumption tests. And trust me, Infiniti fought me every step of the way.

However, at this point I consider it just part of owning one of these engines. Many older Porches’ were known to burn a quart every thousand. It was the responsibility of the owner to monitor the oil level.

I suppose I could force Nissan to replace my 370Z motor but I just don’t have the fight in me anymore. I just make sure to monitor my oil levels religiously.

Op, your problem is that you don’t have the ability to conduct the oil consumption tests. You will have quite a fight on your hands to get a free replacement.
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Old 07-29-2011, 01:47 PM   #4 (permalink)
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Call me cynical, but I have come to the conclusion that it is very common for these engines to burn oil. I base that on my personal experience with three separate VQ engines.
Hmm... not my experience. But there are a lot of nay-sayers on these forums who swear that the VQ is one of the worse burning oil engines ever made.

I've had my oil analyzed 3 times now. Everyone shows exceptional results as far as metals go (read: not burning oil). My engine is well past the break-in period (which again, a lot of people say is not required and silly). No oil burning issues with mine.

Now, I'm not sure the history on all these supposed oil burners. Maybe it's from some sort of issue with the engine (?) Maybe it's from people red-lining the engine right out of the box (?) Maybe it's poor maintenance (?)

I just don't get it. Oh well, maybe I'm just lucky....
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