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International Automotive Technicians Network
2000 Volkswagen Passat GLS 2.8L MIL Lamp on
Posted to European Driveability on 3/24/2004 15 Replies

Hello Techs, I need some help on Mil light coming on for code P0431 Warm Up Catalyst Efficiency Below Threshold (Bank 2) ,P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1) Customer had car at dealer first with code P0300, P0431,P0421 had plugs replace...

15 Replies Received (View Replies)

  Related Documents & Media  2000 Volkswagen Passat GLS

 
Message Closed w/FIX

car Vehicle Data

2000 Volkswagen Passat GLS

VIN B8YE230886
Engine2.8 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0421Catalytic Converter Efficiency (Bank 1)
P0431Catalyst Efficiency Below Normal (Bank 2)
Message Closed w/FIX

car Vehicle Data

2000 Volkswagen Passat GLS

VIN B8YE230886
Engine2.8 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0421Catalytic Converter Efficiency (Bank 1)
P0431Catalyst Efficiency Below Normal (Bank 2)