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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1165 (3.0L Diesel - DTCS P0001-00 To P0203-00 - 1500) >> DTC Troubleshooting >> P0102-00-Mass Air Flow Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
INTAKE/EXHAUST SYSTEM PROBLEMS
MASS AIR FLOW SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
MASS AIR FLOW SENSOR SIGNAL CIRCUIT SHORTED TO THE MASS AIR FLOW SENSOR GROUND CIRCUIT
FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE
MAF-INTAKE AIR SENSOR MAIN GROUND CIRCUIT OPEN/HIGH RESISTANCE
MASS AIR FLOW SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting Procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .