P2002 Buick Diesel Particulate Filter Efficiency Below Threshold (Bank 1)

P2003 Buick Diesel Particulate Filter Efficiency Below Threshold (Bank 2)

OBD Code:
System:
Subsystem:

P2003 Buick – (ASE)
Powertrain
Fuel & Air metering, Auxiliary emission controls

Trouble Code Description: Diesel Particulate Filter Efficiency Below Threshold (Bank 2)

Location:
Analysis:

Possible Causes:

Bank 2

Tech description:

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