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Diagnostic Trouble Code: B0283
Diagnostic Trouble Code Name: Electric Rear Defrost Circuit
Vehicle Make: Pontiac
Vehicle Model: G8 (VE)
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 Circuit High Frequency
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0100-P0103
Circuit / System Description
The mass air flow (MAF) sensor is located in the air intake duct. The MAF sensor is an airflow meter that measures the amount of air that enters the engine. The MAF 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, more current is required in order to maintain the hot film at a constant temperature. The engine control module (ECM) uses the MAF sensor in order to provide the correct fuel delivery for all operating conditions.
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