Having problems with your 2002 Mercury Sable ?

24 v 3.0l threw a solo code P0430. 150k miles no misfires.

\015 I've owned 8 Taurus/ Sables in the past. This one is an LS Premium Wagon. I've changed tires brakes, plugs, one coil pack, and just changed the original serpentine belt ( for peace of mind). Bar none the best unit I've ever purchased from the Big Blue Oval. \015\012 The freeze frame data shows the code was triggered at 1250 rpm at an astonishing 32 mph. First time code appeared with similar freeze frame data, I blew it off as an off idle fluke. However the code has returned two weeks later. \015\012 "The Cranberry Express" purrs like a kitten with no perceptible mis fires nor none recorded. Blow it off again and wait for additional codes?\015 Posted / edited by AnonymousUser on : 08-08-2022

Answers :

PO-430 Catalyst System Efficiency Below Threshold (Bank 2)
\015\012One of your converters, has come to the end of its lifetime,as a resident on your vehicle.
Repair Help & Product Troubleshooting for 2002 Mercury Sable

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