What does it mean when it says drive to clean exhaust system?
What does it mean when it says drive to clean exhaust system? Drive to Clean Exhaust System: What Is It? Drive to Clean Exhaust System or Drive to Clean Exhaust Filter is a message that will pop up on your dashboard, informing you that your DPF is blocked up and requires cleaning, as soon as possible. What does it mean cleaning exhaust filter? CLEANING EXHAUST FILTER. Your vehicle has entered the cleaning mode. Various engine actions raise the exhaust temperature in the diesel particulate filter system to burn off the particles (exhaust soot). After the vehicle burns off the particles,...