Jeep Wave oil change analysis 5K mile OCI

[Hootbro]

Back with another oil analysis. Blackstone seems to be slipping a little but this one took 3-1/2 weeks to get the results back.

Ran this oil change for 4,873 miles using a mix of loose orphaned quarts of oil I had around. Comprised of 3 quarts of Castrol Magnatec 5W-30, 1 quart of Pennzoil Euro 0W-30 and 1.5 quarts of Rotella Truck 5W-20.

Overall for the oil itself, can back with pretty good numbers on the wear metals. Silicon was flagged high and had me stumped for a bit and had me guessing that when I installed a new air filter at 30K miles, I had the air filter installed wrong expecting a pinched seal on the air filter. Went out a few minutes ago to check on it and when I popped the hood and started to take the air box to throttle body intake tube off, it was staring at me glaring in the face that I failed to secure the PCV hose to the intake tube. So until now since my last and recent oil change, been sucking in partial unfiltered air from the PCV hose nipple on the intake tube for close to 6500 miles total. Feel kind of stupid on missing that one. So my next sample will probably have a partially high silicon count again.

Current fill is Rotella Truck 5W-30.

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[Maximus Gladius]

Those are some very good numbers …except the silicon…but you know what, if you hadnt of had an analysis report, you wouldn’t have known to look for something odd, right?!, and you found it pronto! But hey, confession is good for the soul, so while you hiked your pants down for us all, I’ll hike mine down too beside you, like a couple of preschoolers in the playground and will say I too was playing around with the MAF sensor and forgot to put it back and it sucked in some dirt too. Let’s hug it out now after we pull our pants up. Anyone else dare to be vulnerable with us?

 

[ShadowsPapa]

Let’s hug it out now. Anyone else dare to be vulnerable with us?

I once ran my tractor out of fuel at the farthest corner of the field.

Oh, car related? I had two vacuum hoses in the wrong order in the clip on the side of the air cleaner.

Jeep related?
I busted a body bolt installing the power steps on my JT.

 

[Hootbro]

Those are some very good numbers …except the silicon…but you know what, if you hadnt of had an analysis report, you wouldn’t have known to look for something odd, right?!, and you found it pronto!

I will admit, probably the first time I had an oil analysis that actually drove me to find a hard fault, even it one of my own making.

I distinctly remember putting the PCV hose back on the tube nipple but it must not have clicked in place and probably laid loose on the nipple still unsealed, only recently popped off completely as I probably would have noticed it when I did my oil and filter change last month.

Another funny thing is that I have been sweating this oil analysis results as I had what I thought was minor ticking on throttle but not at idle. Started to suspect valvetrain issues, but I am thinking it was intake noise from this PCV hose opening.

I have no problem coming clean when I have screwed up.

Edit: Kind of surprised I did not set some DTC code for it though.

 

[Maximus Gladius]

I will admit, probably the first time I had an oil analysis that actually drove me to find a hard fault, even it one of my own making.

I distinctly remember putting the PCV hose back on the tube nipple but it must not have clicked in place and probably laid loose on the nipple still unsealed, only recently popped off completely as I probably would have noticed it when I did my oil and filter change last month.

Another funny thing is that I have been sweating this oil analysis results as I had what I thought was minor ticking on throttle but not at idle. Started to suspect valvetrain issues, but I am thinking it was intake noise from this PCV hose opening.

I have no problem coming clean when I have screwed up.

Edit: Kind of surprised I did not set some DTC code for it though.

The end of your PCV hose didn’t look very oily either. No blowby?

 

[Hootbro]

The end of your PCV hose didn’t look very oily either. No blowby?

No oil. I actually checked for that. That plays into my theory the hose was on the nipple loose unseated but only recently popped off completely.

 

[ShadowsPapa]

Edit: Kind of surprised I did not set some DTC code for it though.

Not too surprised there was no code - that's make-up air going into the crankcase from the filtered air in the big tube.
But it sure makes sense from the standpoint of
unfiltered air going into the crankcase up that small line
and
unfiltered air going into the intake manifold itself in through that nipple.

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