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Diagnostic Trouble Code: 026
Diagnostic Trouble Code Name: Driver Window Down Switch Circuit
Vehicle Make: Holden
Vehicle Model: Epica (V250)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Mass Air Flow Sensor Performance
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0101
Circuit / System Description
The mass air flow sensor is located in the air intake duct. The mass air flow sensor is an airflow meter that measures the amount of air that enters the engine. The mass air flow sensor uses a hot film that is cooled by air flowing past the sensing film as air enters the engine. The amount of cooling is proportional to the amount of the air flow. As the air flow increases, greater current is required in order to maintain the hot film at a constant temperature. The engine control module (ECM) uses the mass air flow sensor in order to provide the correct fuel delivery for all operating conditions.
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