I have a 2022 Ecodiesel. In February of this year, while my truck was in to replace the particulate matter sensor, the dealership replaced the fuel pump and fuel rails to fix the recall. Since then, I have noticed a significant decrease in fuel mileage especially on the highway. A 4 to 7...
I have a 2022 Ecodiesel with 5700 miles. I use Hot Shot's Everyday Diesel Treatment with each fill up and Hot Shot's Diesel Extreme every six months. I have had on Regen cycle. This code came up recently. Do I just need to change the sensor?