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International Automotive Technicians Network
2002 Volkswagen Golf GLS 2.0L MIL Lamp on
Posted to European Driveability on 10/26/2004 14 Replies

Hey fellow techs, we've got a VW with an intermittant p0420 catalyst code. We have replaced both oxygen sensors with VW parts. The catalytic converter is 100 degrees hotter at the rear (so it's obviously working). We can force the vehicle to do a catalyst read...

14 Replies Received (View Replies)

  Related Documents & Media  2002 Volkswagen Golf GLS

 
Message Closed w/FIX

car Vehicle Data

2002 Volkswagen Golf GLS

VIN 9BWGB61J72
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2002 Volkswagen Golf GLS

VIN 9BWGB61J72
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)