P0100

Technical Definition:

Mass or Volume Air Flow A Circuit Malfunction

Trouble Code: P0100
Address: 0x0100
System: Powertrain
Subsystem: Fuel and Air Metering
Technical Description:

Possible Causes:

Possible Symptoms:

Mass Air Flow Sensor

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty mass air flow sensor
– Intake air leaks
– Dirty mass air flow sensor
– Dirty mass air filter
– Mass air flow sensor harness is open or shorted
– Mass air flow sensor circuit poor electrical connection

Specific Makes:

– Engine stall
– Engine running rough
– Excessive fuel consumption
– Excessive smoke

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