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Diagnostic Trouble Code: B1601
Diagnostic Trouble Code Name: PATS Received Incorrect Key-Code From Ignition Key Transponder
Vehicle Make: Ford
Vehicle Model: Falcon (BF)
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:
Evaporative Emissions Vent System Performance
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0446
Circuit / System Description
The control module tests the evaporative emission (EVAP) system for a restricted or blocked vent path. The ECM detects a blockage or restriction by commanding the purge valve ON (open) and the vent valve ON (closed) allowing a vacuum to be applied to the EVAP system. Once a calibrated vacuum level has been reached, the control module commands the purge valve OFF (closed) and the vent valve OFF (open) while monitoring the fuel tank pressure (FTP) sensor for a decrease in vacuum.
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