P0103 – Mass or Volume Air Flow A Circuit High

P0103 – Mass or Volume Air Flow A Circuit High
Description:                 The mass air flow (MAF) sensor circuit is monitored by the powertrain control module (PCM). This DTC sets if during key ON engine running (KOER) the sensor output changes above a maximum calibrated limit.
Possible Causes:       
 
MAF circuit open or short to voltage
 
Damaged MAF sensor
Diagnostic Aids:          Make sure the MAF sensor connector is locked and seated correctly.
Related Topics  P0131 - O2 Circuit Low Voltage (Bank 1, Sensor 1)

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