This code that camenupnpointsnto a problem with your cadilatic converter. Take it to a local shop you trust and for free they can put it on there machine to confirm this and give more details of solution and cost. Please keep me informed, let me know if this helped by the 4 thumbs up clicked on. Thanks mike
Oops sorry about the words above put all together....
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O2 sensors -----Catalytic Converter / Exhaust System
SOURCE: i have trouble codes p0430, p0301,p0316, p2195 and
PO-430 Catalyst System Efficiency Below Threshold (Bank 2)
PO-0301 Should be a misfire on COP Coil #1
PO-316 Misfire Occured in the First 1000 Engine Revolutions
P-2195 Lack of HO2-11 Switch/Lean
P2197 Lack of HO2-21
I have the same vehicle,only a V8
What you have is a very common ford problem. The Ignition Coil on Cylinder #1 is Bad. You can buy it at the local auto part store and change yourself. About $59.00. You remove the coil cover on top of the valve covers,then the coil. I did one in Feb and believe all you need is a 7mm wrench and 7mm socket. #1 should be at the front of engine/pass side.
The other codes are related and you can see if any are there,after you do the coil replacement. If so give them to me.
A code P0430 may mean that one or more of the following has happened:
First, inspect for exhaust leaks.
Next step is to measure the voltage at the oxygen sensor on Bank 2. In fact, it would be a good idea to test each oxygen sensor while you're at it.
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