Yeah I realized the turbo underboost and just how many things could cause this. That’s why I was curious about Service bulletin because if it’s simply programming it should be an easy fix.
90k miles. Two days ago my truck started taking a lot longer to start. I thought it was strange but it had been so rainy so chocked it up to dampness? After it started I had to make a few short trips and always started right back up. Didn’t think anything about it. Then on second or third...