Oil Consumption
Hello guys,
just picked up an '02 6 speed SE. Over on another forum some guys about the pre-cat right off the manifold losing it's integrity and part of the item somehow getting back into the engine and damaging piston rings . Car currently has 85k miles,and upon start-up no indication of worn out rings. Car pulls hard as well. Second day owning it,so I'll see . Was a cali car as well to note. Any experiences? |
Welcome to the wonderful & exciting world of VQ35s. Search and you'll find a plethora of information about oil burning.
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Originally Posted by wellshii19
(Post 9144415)
Over on another forum some guys about the pre-cat right off the manifold
losing it's integrity and part of the item somehow getting back into the engine and damaging piston rings . |
If I were you, id get rid of the precats now before it has a chance to do damage. 85k.. very young
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Originally Posted by Itz Shak
(Post 9144520)
If I were you, id get rid of the precats now before it has a chance to do damage. 85k.. very young
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Originally Posted by wellshii19
(Post 9144524)
That's what I was told. Happen to know what mileage they start to rot?
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I have oil consumption issues as well. The engine and precats are NEW. WTF is going on?
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Originally Posted by Aviation005
(Post 9144547)
I have oil consumption issues as well. The engine and precats are NEW. WTF is going on?
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Originally Posted by maxiiiboy
(Post 9144527)
That depends on where it was driven. No rust on my car - it spent all its life in California.
Cheaper than high flow cats. |
Originally Posted by Aviation005
(Post 9144547)
I have oil consumption issues as well. The engine and precats are NEW. WTF is going on?
At any rate, re. "what's going on?" - search this forum as suggested in post #2; there is a ton of info on this subject. |
Originally Posted by maxiiiboy
(Post 9144574)
I bet your engine is not new ..... perhaps a "new used" ... ?
At any rate, re. "what's going on?" - search this forum as suggested in post #2; there is a ton of info on this subject. |
engines burn oil, guys with no cats early on (like OP can do if they remove them) still have burning oil...
so to any one don't always put oil burning and precats together.... |
Originally Posted by Aviation005
(Post 9144610)
Remanufactured close enough to new
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Originally Posted by Prophecy99
(Post 9144664)
engines burn oil, guys with no cats early on (like OP can do if they remove them) still have burning oil...
so to any one don't always put oil burning and precats together.... |
Originally Posted by Prophecy99
(Post 9144664)
engines burn oil, guys with no cats early on (like OP can do if they remove them) still have burning oil...
so to any one don't always put oil burning and precats together.... Poor oil changes are an exclusion as most cars receive terrible maintenance (the biggest downfall of well used cars). VQ30s don't use oil at all if properly maintained (ever see 10k OCI with no loss? I have lol). |
that makes sense ! i think its just the word oil burning scares a lot of people... and they start thinking extremes it gets people nutty ripping out cats ! haha
i am 1k every between every oil change, and it literally is at the last 3rd of the interval, i have some theory the dirtier it gets the easier it burns. ( i removed and gutted precats (100% intact) at 184k) |
Originally Posted by Prophecy99
(Post 9144781)
that makes sense ! i think its just the word oil burning scares a lot of people... and they start thinking extremes it gets people nutty ripping out cats ! haha
i am 1k every between every oil change, and it literally is at the last 3rd of the interval, i have some theory the dirtier it gets the easier it burns. ( i removed and gutted precats (100% intact) at 184k) |
Originally Posted by Prophecy99
(Post 9144781)
that makes sense ! i think its just the word oil burning scares a lot of people... and they start thinking extremes it gets people nutty ripping out cats ! haha
i am 1k every between every oil change, and it literally is at the last 3rd of the interval, i have some theory the dirtier it gets the easier it burns. ( i removed and gutted precats (100% intact) at 184k) Besides,I was going to install headers anyways,open that baby up. |
Originally Posted by MadMax SE
(Post 9144790)
when I had running problems my car ran super rich all the time and was diluting the oil with gas, 600 miles and oil was black and burning 1qt every 2k. Crank case smelled like a gas tank. After fixing my maf, coils, plugs, and o2 sensors, I now have a steady .4-5 quarts lost every about 4k miles but it's 99% city mileage.
Originally Posted by wellshii19
(Post 9144824)
Agreed to an extent. Thing is, better to prevent than live with the consequences. Kinda like saving money for a rainy day.
Besides,I was going to install headers anyways,open that baby up. |
Originally Posted by Prophecy99
(Post 9144844)
interesting ! u remind me i should clean my MAF (have had any issues to date w cleaning every couple years)
nice ! headers are great ! install just sucks , id leave it to a pro specialty shop. I'll probably let a shop do it too. |
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