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Discussion Starter · #1 ·
I have a 2002 Toyota Camry SE. The check engine light is on and I just got the codes run at the parts store.

The codes are:
420 - catalyst system threshold bank 1
440 - evaporative emission system malfunction
441 - Evap. emission incorrect purge flow
446 - evaporative emission control system pressure/system switch

Does anyone have any ideas on what this might mean and how much it may cost to fix?
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