What Does P0473 Mean? The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions. When you see P0473 engine fault code on your engine code reader this description will help you. engine code P0473P0473 fixobd P0473dtc P0473obd code P0473obd2 P0473P0473 car codediagnostic code P0473car code P0473check engine code P0473fehlercode P0473P0473 fiatcodigo P0473codigo falla P0473P0473 kody b??dówcodigo de falla P0473 What are the common causes of P0473 ? In most cases, this code is caused by a clogged back pressure tube and/or exhaust back pressure sensor. However, technicians also report that damaged and burnt electrical wiring and connectors are a possibility. The PCM could also be faulty but this is highly unlikely. How do you troubleshoot P0473 ? The most common approaches that will work for fixing the problems indicated by a P0473 code are: Checking for and repairing any exhaust leaks Checking for and repairing any wiring or connector problems (they may just need a thorough cleaning too) After repairs that appear to clear the code, the vehicle should be test driven to see if it returns Searches related to P0473 - Exhaust Pressure Sensor High audi a4 exhaust pressure sensor location p0473 hyundai p0473 mercedes p0474 audi a3 exhaust pressure sensor location exhaust pressure sensor symptoms p0473 kia vw tdi exhaust pressure sensor
