14-2 EGZOZ GAZI BASINÇ SENSÖRÜ ARIZASI DERS ANLATIMI

P0470 - P0474 Exhaust Back Pressure Sensor Fault Symptoms and Solution (Automotive Electromechanics) What is a DPF Pressure Differential Sensor Fault? | P0470, P0471, P0472, P0473, P0474 Codes How to Check the Exhaust Gas Pressure Sensor? | Engine Management Systems What is an Exhaust Back Pressure Sensor Fault (P0470, P0471, P0472, P0473, P0474)? How to Solve It? Exhaust gas pressure sensor signals are continuously monitored and interpreted by the Engine Control Unit (ECU). If the signal value from the sensor falls outside the range or no signal is received, a chain of fault codes (P0471, P0472, P0473, P0474), primarily the P0470 fault code, is generated in the OBD system. In this video, you will learn the working principle of this critical sensor that measures the Diesel Particulate Filter (DPF) fill level, its malfunction symptoms, causes of clogging, and step-by-step diagnostic methods using a multimeter (ammeter). P0470 Exhaust Pressure Sensor Malfunction: Exhaust Pressure Sensor Malfunction P0471 Exhaust Pressure Sensor Range/Performance: Incorrect Signal Value Range/Operating Malfunction P0472 Exhaust Pressure Sensor Low: Exhaust Pressure Sensor Low Signal P0473 Exhaust Pressure Sensor High: Exhaust Pressure Sensor High Signal P0474 Exhaust Pressure Sensor Intermittent: Exhaust Pressure Sensor Intermittent Signal 3-Pin Wiring Check: You can follow the steps in the video to measure the ground, +5 Volt supply, and ECU signal pins on the sensor socket using a multimeter.