Q: P0101 MAF Sensor

Hi there. Typically, a P0101 (mass airflow sensor circuit/range performance) code can be resolved by cleaning the heated wire. Aftermarket air intake systems and poorly sealed factory air filters can contaminate the heated wire of the MAF. The engineers designed the MAF to self clean. The heated wire super heats to turn contaminates to ash. This is not always effective. There is the possibility, the replacement MAF is faulty or there is a poor electrical connection between the MAF and ECM (engine control module). Proper diagnoses should be performed to avoid unnecessary repairs. I recommend having your vehicle’s check engine light be diagnosed and repaired by a certified technician, such as one from YourMechanic.