DTC P0101 Acura
Mass Airflow (MAF) Sensor Circuit Range Performance Problem
Mass Airflow (MAF) Sensor Circuit Range Performance Problem
Description
Elapsed time after engine start 5 seconds, engine coolant temperature 156 ºF (69 ºC), engine speed 650-2,100 rpm. No active DTCs P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0171, P0172, P0174, P0175, P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0335, P0339, P0340, P0341, P0344, P0401, P0404, P0443, P0496, P0497, P0506, P0507, P1128, P1129, P145C, P2413, P2646, P2647, P2648, P2649. The difference between the amount of intake air measured by the MAF sensor and the amount of intake air calculated from the MAP sensor output is out of the normal area for at least 10 seconds.
Cause and Solution
Dirty air cleaner element
Faulty PCV valve or hose
Faulty EVAP canister purge valve
Vacuum leaks at the Throttle body, Intake manifold, Brake booster
Cracked or loose Air Intake Duct
Poor connections or loose terminals at the MAF sensor IAT sensor and the PCM
Faulty MAF sensor IAT sensor
Video Guide
Diagnostic Info
- DTC Code: P0101
- Brand: Acura