Scion tC Problem Report

Scion tC CEL - Error Code 420: Catalytic Converter

(13 reports)
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. -
warning light is on....my scion tc is difficult to start...any ideas -
Plan on replacing my cats soon -
p0420 not sure what i am going to do -
Replaced catalytic convertor under warranty -
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 -
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