Problem Reports » CEL - Error Code 420: Catalytic Converter

Problem Reports

Scion tC

 

Report: CEL - Error Code 420: Catalytic Converter

Scion tC Problem
6 Reports
Me Too
Edit

Model Year Affected: 2005

Average Mileage: 113,166 mi (56,000 mi - 175,000 mi)

Add to My Checklist
Find a Shop
  • Visitor, 2005 Scion tC, 175,000 mi

    p0420 not sure what i am going to do

    Flag This
  • Visitor, 2005 Scion tC, 78,000 mi

    Replaced catalytic convertor under warranty

    Flag This
  • Visitor, 2005 Scion tC, 90,000 mi

    Check Engine light came on while I was driving.. got a scan tool, it read "P0420" - Catalyst Efficiency Below Threshold (Bank 1)
    Considering I don't have an extra leg to sacrifice for a new converter.. I "Erased" the code with my scantool..
    Boy.. THAT was easy! lol.

    Flag This
  • garyla, 2005 Scion tC, 56,000 mi
     Enthusiast

    Check Engine Light Illuminated
    Problem: Diagnostic Showed Error Code 420: "Catalytic Converter Efficiency Below Threshold (Bank 1)
    Solution: Free Replacement by Dealer Under California 7yr/70k or Federal 8yr/80k Warranty Covering Emissions Parts

    Flag This
Related Items:
Ask a Question
Shops and Dealerships near you

Featured Shops and Dealerships