2002 Nissan Sentra Burning Oil

MIRSOMR

MEMBER
2002 NISSAN SENTRA
4 CYL
2WD
MANUAL
116,000 MILES

I have this 2002 Nissan Sentra SE-R Spec V 2.5L
and every time I floor it it blows out smoke and its burning oil the engine on the out side is mint not one drop of oil leak anywhere, no I do add oil like half a qurrt once a week what might cause this? Please Help.

3 Replies

MHPAUTOS

MECHANIC
31,938 POSTS

Hi there,

this can be a sign of poor ring sealing, you can get a leak down test done to check how bad things are, check the plugs, if one is fouling with white crusty deposits, this cylinder is worse than the others.

Mark (mhpautos)

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Friday, September 3rd, 2010 AT 1:20 AM

MIRSOMR

MEMBER
4 POSTS

So most likely piston rings anything else how about valve seals?

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Friday, September 3rd, 2010 AT 1:24 AM

MHPAUTOS

MECHANIC
31,938 POSTS

If the valve seals are worn you would normally get a puff on start up cold, you normally do not get a puff from stem seals running as you do not get enough oil drawing down in one go for it to be noticed, cold the oil has had time to seep past the worn seal over night, but if the rings are done the head should be checked as well.

Mark (mhpautos)

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Friday, September 3rd, 2010 AT 9:13 AM