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International Automotive Technicians Network
Re: returning p0420
Posted to Technical Discussion Forum on 5/30/2012

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YES I WOULD BE CONCERNED, BUT I HAVE FOUND CHRYSLER'S TO BE SENSITIVE TO TRIP A CORRELATION CODE. IF THE VEHICLE RUNS WELL AND HAS POWER DON'T FIX WHAT THE ENGINEER'S COULDN'T. I HAVE HAD AFTERMARKET... Login to read more.