Looking for some expert advice on this. Not sure if it's head gaskets or egr coolers? I've mounted a pressure gauge off my degas tank and consistently reads 16 psi, new cap and the pressure will hold all night. I can run the crap out of it on the H&S Hot Damn tune and no issues. The puking happens after I've been at highway speeds and I stop for a bit idling, but again, not all the time. What appears to happen is the coolant level rises significantly in the degas tank and spews out the cap (but not every time). I have no issues with heat. If it was head gaskets, would I see a significant spike in coolant system pressure? Would the gauge help me narrow down which it could be - head gaskets or EGR? Are there specific symptoms between head gaskets and egr coolers? Not sure how to narrow this down ?
Thanks
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Thanks
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