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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 618 (5.7L - DTCS P152C To P257D - 1500) >> Diagnosis And Testing >> P2174-Low Airflow/Restriction Detected (Instantaneous Accumulation) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
RESTRICTED AIR INLET SYSTEM
RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT
RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT
RESISTANCE IN THE MAP SENSOR SIGNAL CIRCUIT
RESISTANCE IN SENSOR GROUND CIRCUIT
RESISTANCE IN THE THROTTLE POSITION SENSOR SIGNAL CIRCUITS
RESISTANCE IN THE THROTTLE POSITION SENSOR RETURN CIRCUIT
MAP SENSOR
THROTTLE POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)