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Well, it is possible for you to call for more oil than the 15° pump can provide with the ICP mod depending on the miles of your truck.
The ICP mod tricks the computer into calling for a higher IPR Duty Cycle to provide more oil to the injectors.
You probably got a, ICP above/below desired, code.
This one is only 156,XXX. It's the 12' bed truck. I guess I'm having some personality issues wanting to get more power out of ton truck. But a little more power on the hill feels good. I guess I will study up on HPOP's.Thanks
Both PSD's are running 3 " DP and 6637 filter coupled to factory exhaust I was hopin not to make an upgrade till i have to. Might take your advise because if I'm having any problems now, then 160 cc's are not in my future till it's resolved.