I'm sure lots of you have seen and maybe even brought one of these, but do you really know what it does?Basically, you fit the resistor to your airflow sensor and all it does is trick the ECU into thinking...
How to clear the fault codes on your Subaru including Legacys and Imprezas Most cars simply store fault codes and thats it. Subarus on the other hand have 2 modes. You can read the stored fault codes or you...