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International Automotive Technicians Network
Re: CATALYTIC CONVERTER FAILURE
Posted to Technical Discussion Forum on 7/14/2023

Where the biggest problem lies is the unknown performance of the aftermarket converters. Depending which federal/California/state EPA document you read the OE converter must maintain a 85-97% HC/CO/Nox efficiency for 100,000-120,000 miles. Aftermarket converte... Login to read more.