Catalytic converter diagnosis Converter ‘failure’ is often caused by upstream or damage issues Compiled by Mike Mavrigian
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t is not uncommon for technicians to misdiagnose a driveability or emissions Editor’s note: Thanks to Charles Pantano issue by blaming the converter. In and Jack George of Eastern Catalytic for their many cases, it’s not the converter’s fault, assistance in providing this information to but rather one of the engine components our readers. upstream from the catalyst. Yes, a converter All art courtesy Eastern Catalytic
14 | July/August 2013