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Diagnostic Trouble Code Results for B0013 for the Chevrolet Caprice (VE)

Caprice (VE) Chevrolet

Diagnostic Trouble Code: B0013

Diagnostic Trouble Code Name: Driver Frontal Deployment Loop Stage 2

Vehicle Make: Chevrolet

Vehicle Model: Caprice (VE)

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: 

Post Catalyst Fuel Trim System High Limit Bank 1

Possible Sensor Faults
ECM

Possible Related Diagnostic Trouble Codes
DTC P2097 or P2099

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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