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Diagnostic Trouble Code Results for 2 for the Chevrolet Epica (V250)

Epica (V250) Chevrolet

Diagnostic Trouble Code: 2

Diagnostic Trouble Code Name: Ambient Air Temperature Sensor

Vehicle Make: Chevrolet

Vehicle Model: Epica (V250)

Diagnostic Code Entered By: ZerOne

Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm

Please Note: The DTC Information provided has been randomly generated.

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Diagnostic Trouble Code Description: 

Fuel Pump Enable Circuit

Possible Sensor Faults
ECM

Possible Related Diagnostic Trouble Codes
DTC P0627-P0629

Circuit / System Description
The engine control module (ECM) provides ignition voltage to the fuel pump flow control module whenever the engine is cranking or running. The control module enables the fuel pump flow control module as long as the engine is cranking or running, and ignition system reference pulses are received. While this enable voltage is being received, the fuel pump flow control module supplies a varying voltage to the in-tank fuel pump module in order to maintain the desired fuel line pressure.

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