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2002 Subaru Outback 2.5L MIL Lamp on
Posted to Asian Driveability on 4/22/2008 9 Replies

This one has me running. Hope someone has an idea. This high mile subaru came in with a code 420 for cat. Checked sensors data to air/fuel sensor and rear o2 sensor. rear was high but varied like a front o2 and mode 6 showed fails on air/flow sensor. my solis ...

9 Replies Received (View Replies)

  Related Documents & Media  2002 Subaru Outback

 
Message Closed w/Summary

car Vehicle Data

2002 Subaru Outback

VIN 4S3BH665X2
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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

car Vehicle Data

2002 Subaru Outback

VIN 4S3BH665X2
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)