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Diagnostic Trouble Code: B0083
Diagnostic Trouble Code Name: Front End Sensor 1
Vehicle Make: Chevrolet
Vehicle Model: Caprice (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:
Post Catalyst Fuel Trim System Low Limit Bank 2
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P2096 or P2098
Circuit / System Description
Fuel trim bias is used to keep the post catalyst air/fuel ratio within a predetermined range. This allows optimal catalyst efficiency under light load conditions at a steady cruise. The engine control module (ECM) constantly monitors how lean or rich the fuel trim bias is commanded, to determine if the fuel trim bias is greater than a calibrated amount.
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