with regurds to a code p0430, if the catalyst converter was bad wouldn't cause a poor exceleration issue. the same as a blockage in an exhust system

bmeck
660

Asked by Sep 17, 2012 at 04:16 PM about the 1996 Lincoln Town Car Cartier

Question type: Maintenance & Repair

1 Answer

Tom Demyan
200,905

Yes you are correct about the cats, but a P0430 is usually caused by an exhaust leak or a bad O2 sensor. If no leak is found, test the O2 sensors to see if they are reporting the proper voltage and if not replace.

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