2001 Jeep GC 4.0 with Rotella T6 5679 miles

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Originally Posted By: Donald
I remembered that for this entire OCI I added Auto-Rx. The people at Auto-Rx say its possible the Auto-Rx is loosening some hardened oil deposits and that is why the oxidation is high. Its also possible the hardened oil deposits contain wear metals like lead (from break-in) that are coming out with the hardened oil deposits.
Maybe that's it.
 
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Mahzurrah!
Well it was trending down and you added RX now it's back up. Could be something the RX did or could be the RX itself who really knows what's in it? If it's running great I'm not ready to push the panic button this engine has been throwing high numbers it's whole life.
 
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Originally Posted By: Donald
I remembered that for this entire OCI I added Auto-Rx.
I think that's your problem right there. That would explain the iron shooting up too.
 

Donald

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Originally Posted By: yvon_la
Full calcium formulation isnt good for 10000 miles! You probably added oil wich would explain the tbn
T6 has gone 18K miles on my Cummins diesel with an excellent UOA, so I would have to disagree with your comment. No oil added that I remember.
 
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