P1101 CHEVROLET - INTAKE AIR FLOW SYSTEM PERFORMANCE
POST UPDATED IN February, 2023
P1101 CHEVROLET - INTAKE AIR FLOW SYSTEM PERFORMANCE
The ECM or Engine Control Module makes some comparisons of the real airflow, which is based on throttle position (TP) with a calculated airflow based on the Manifold Absolute Pressure (MAP) Sensor and Mass Airflow (MAF) Sensor. These sensors must be accurate to open the injectors in the time they indicate. As a result, the stoichiometric ratio is reached with the spark they produce.
Setting the fault code P1101 OBDII on your Chevrolet vehicle is because the ECM detects that the actual airflow rate is greater than the calculated airflow.
The reasons for setting the P1101 OBD2 diagnostic code for Chevrolet vehicles are
The steps for solving the Chevrolet DTC P1101 OBDII code, you must take into account the following: