X-15 derate warning

[GearGrabber18]

(01-09-2025 )Tony Wrote:  There are so many different things it could be, I don't think anyone will really be able to help you without at least knowing what the codes are. I would highly recommend getting Cummins I N S I T E and a inline 6 adapter. I've had good luck with eBay and Amazon for those. That way you can tell us what codes you have.

I’m getting a code for low boost pressure