I'm reposting from the other diesel thread into this one. The past week, I've gotten the low DEF warning, 1000 miles to go before shutdown. I filled the DEF 3 days ago and the warning won't quit. I'm guessing a variation on the bad sensor problem. My backup car is a Trabant. What do I do?
The dealer said the only thing to do is replace the entire tank, sensor cannot be done separately. $2400 parts and labor. Meanwhile, I'm down to about 650 miles before the computer will block any restart.
Update: DUDMD has told me they can do Stage 1 with SCR and DEF tank delete, and I wouldn't have to remove any exhaust system components. I think I will choose this route for obvious reasons. The main tuning competitor either can't or won't do a Stage 1 with those deletes included. Would have to go to Stage 2, with full system change out. Since I've also got to buy a new set of tires, I am happy to hear that I have this option.
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