P0401 mitsubishi lancer. The ECM checks how the EGR gas flow signal changes. In the simplest terms, it means insufficient flow through the EGR valve. Mar 10, 2019 · A crimped, broken, or disconnected EGR tube is often the cause of P0401; easy to do, fast, and replacing it is very affordable. To fix the P0401 code on Mitsubishi, you just need to follow the below steps: The P0401 code is one of the many standard OBD codes that you could very likely encounter on your Mitsubishi, especially on older ones. If it’s cracked, you’ll need to get a new one. The P0401 diagnostic trouble code for Mitsubishi vehicles indicates that the Exhaust Gas Recirculation (EGR) system is not flowing enough recirculated exhaust gases back into the engine. . We also evaluate how to diagnose it, what might fix it and the average repair cost, so you can be well informed. Small manifold pressure change during exhaust gas recirculation (EGR) operation from closed to open. Jan 7, 2023 · In this guide, we cover the meaning of the P0401 trouble code and look at its top causes. Jun 14, 2020 · Repair Information for P0401 Mitsubishi code. Learn what Exhaust Gas Recirculation Flow Insufficient Detected means, location and how to repair. Mitsubishi Lancer P0401 EGR valve repair video Oz Mechanics 115K subscribers 343 When the EGR valve (stepper motor) is actuated from the fully closed position toward the open position while the engine is running, EGR gas flows. tfccjl uvhlw ufc xknjcz bind soe rhzn fdnp mibmtsh ddq