It's a blown head gasket. Showed up on combustion gas test.

 

Leak down test?

 

The combustion gas test looks for combustion gases in the coolant.

I told you in post #6 that I had a feeling this was going to end badly, but this is much worse than I expected.

 

I killed a emissions analyzer once when the probe fell in the coolant reservoir.

 

It's a small leak. No bubbles come up visually, that why I dismissed it at first as a probable cause. I bought some BlueDevil head gasket sealant for $42. Should of done that from the beginning since the test cost $38.

I'll give it try tomorrow. Going to have to buy a **** load of distilled water for this. After watching all the youtube videos, I'm expecting it to work.

This is not the cars fault anyway. When I installed the valve covers I had a broken valve cover bolt in the bank 1 cylinder head so to take it out I drilled and tapped it out lightly with a metal rod and hammer. Very lightly but it looks like it did the damage on head gasket. But because the motor burns over 5 quarts of oil monthly which is caused by idiots at Nissan who cant file piston rings correctly or quality control not checking another suppliers work, the head gasket being bad is completely irrelevant and the least of my worries.

 

Can I have your valve covers when this stuff makes things worse?

J/k good luck!

 

If I part it out and you got $800, sure. I need something like a pure bred race car. The Mustang Boss 302.