Oil fill cap missing

Don't forget to change the crankcase breather filter

 

I don't know if they still do but mine came tethered to the tube with a chain.

 

Lol I can say your not the first guy to do that I did it a couple years ago I forgot to put that cap on when putting oil in took off down the road pulled into a rest area for a break noticed the oil and went wtf lifted the hood seen what I did and at the same time an older driver walked by seen the mess and said forgot to put the oil cap on eh... As I said ya he started laughing and said don't worry been there done that! top her up and kick on'er. Made me feel a little better bout my foolish mistake

 

The sdp had a twist lock cap maybe the alloy tag that locks the plastic cap in place has worn and alowing it to come out.

regarding the high crankcase pressure change your breather filter . If your sick of changing them I think the latest flash file has higher values for the actual pressure as they have issues with valve guide seals letting combustion pressure past into the crankcase . If that is what is happening try and get the head done under warranty before you do the delete. As dpf and cgi delete will help but the crankcase pressure sensor still works and will log a code. I have also seen faulty wiring from the ECM to the crank case press sensor causing a high pressure fault. If you can't afford a dpf delete I have a file that will make it a little better pm me if your interested.

 

I have also removed filter element from them . Good thinking a piece of large heat shrink down the centre plastic filter support will let the oil that enters drain back to the sump without it going out your breather onto front axle ect. You will definitely have black soot in stacks and it will give you away .

 

If that happened to my truck I'd be afraid to run it much until after I had gotten the oil changed, probably even get some of that engine oil flush stuff just in case...

 

i had that happen to me once. I changed the oil and I knew I put the cap on, but when I got to my destination there was oil all over the side of my truck. I popped the hood and the cap was off, thankfully the chain kept the cap from getting lost. I put it back on and noticed that even when tight I could pull it out by hand so I bought a new one and haven't had a problem since.