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I cleaned the map sensor, changed the fuel filters, ran a gallon and a half of seafoam through it. I went and clear all the dtcs with my scanner and it wouldn’t boost at all. I drove it like that for about 100 miles with no improvement. I disconnected the batteries and it went back to boosting...
I have a 2022 3500 deleted with 200k that started giving me problems. The issue started while towing, it would boost fine and hit some type of cut and boost would fall to 10 pounds and cap. The issue would clear up after 40-50 miles and be fine until it hit that cut. I thought I was my...