P0101 SUBARU- What should I do to clear the P0101 code

Question

2000 SUBARU RSK B4 giving P0101 code but running perfectly.Erased alarm but has reappeared within 5Km drive.Butterfly under Inter-cooler on driver side is opening and closing even with ignition key just on "accessories". I have fully serviced the car with NGK Platinum plugs and Castrol Havoline fully synthetic oil.Advice needed.

Answer 1

Hi there,

The code is actually a code for the mass air flow sensor. This is the sensor bolted to the air filter housing. Typically when you have the 101 code the sensor itself is the problem and burned out.