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Tribeca
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Repair and Diagnosis
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Engine Performance
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Diagnostic Trouble Code Detecting Criteria
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1)
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General Driving Cycle
General Driving Cycle
Perform the diagnosis only once at a constant 60 km/h (37.3 MPH) or higher.