MDADDYRABBIT
Junior Member
As many have pointed out, it probably IS reading relatively accurately for how it's being driven. The 6.4 is not a 2-mile commuter engine. It is a gas workhorse, and you're probably barely getting to speed before you're slowing down again, and it's NEVER getting up to operating temperature. It's definitely not getting hot enough to burn off deposits in the catalytic converter unless you're taking it out on longer drives.
I get not wanting a payment or more insurance, but you really need to ask yourself if you need that truck, and if it is the vehicle that makes the most sense for her to drive back and forth to work in? If I were in your situation, the answer would most definitely be no, and I'd probably look into at least a hybrid, probably an EV for her (and she'd likely be okay with it, she likes the Lightning). That said, we always have an extra vehicle too, just in case we run into problems. One of us will get it out every now and then and drive it for a few days, just to keep things lubricI
I bought the truck to pull my Fifth wheel camper. I crank the truck everyday an half hour before she leaves for work. That way it is warmed up. I travel 10-50 miles a day with work each day. I drive the Honda Accord. She goes to work and parks until afternoon.