9 Solutions to Fix P0430 - Don't Start Fixing Before Watching This

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Engine Code P0430 Saving Repair Parts:
Catalytic Converter Cleaner: amzn.to/3r67qCf
Bucket: amzn.to/3lEmxlf
Detergent Soap: amzn.to/3sbMISV
Oxygen Sensor: amzn.to/3scToQE
Half Inch Drill: amzn.to/3r67Fx9
Spark Plug Non-fouler: amzn.to/3lAHu0y
Oxygen Sensor Extender: amzn.to/2PiLqqz
Oxygen Sensor Socket: amzn.to/3rd9acV
Spark Plug: amzn.to/2OTZSFQ
Spark Plug Gapper: amzn.to/3cTDaFF
Fuel Injectors: amzn.to/3c92vMY
Exhaust Putty: amzn.to/3vMpDbz
Sandpaper: amzn.to/3tHqDvR
Wipes: amzn.to/3lzaZjq
Heat Gun: amzn.to/3r6YPPR
Heat Wrap: amzn.to/3r6YQDp
ECT Sensor: amzn.to/3tHmuIf
Multimeter: amzn.to/3tHIlQ2
Engine Code P0430: Catalyst System Efficiency Below Threshold (Bank 2). It indicates that the Catalytic Converter is not functioning efficiently, so the vehicle is increasing the output of harmful pollutants. How to clean the Catalytic converter. Tips and tricks for cleaning a catalytic converter in your car and fixing code P0430.
Method 1: Use a Catalytic Converter Cleaner
1. Get a Catalytic Converter Cleaner
2. Pour into the Gas Tank
3. Run the Engine
Method 2: Wash the Catalytic Converter
1. Remove the Catalytic Converter
2. Get a Bucket with Water & Detergent
3. Soak the Converter for 10 Hours
Method 3: Modify the Oxygen Sensor
1. Remove the Oxygen Sensor
2. Prepare the Components
3. Refit the Components
4. Re-install the Oxygen Sensor
Method 4: Oxygen Sensor Replacement
1. Inspect the Oxygen Sensor
2. Replace the Oxygen Sensor
Method 5: Adjust Spark Plugs
1. Remove the Spark Plug
2. Check the Spark Plug
3. Adjust the Spark Plug
Method 6: Replace Fuel Injectors
1. Inspect the Leaking Fuel Injectors
2. Remove All Fuel Injectors
3. Dip Them All in Gasoline
4. Reinstall the New Fuel Injectors
Method 7: Paste the Exhaust Leaks
1. Inspect and Clean the Leaks
2. Apply the Exhaust Putty
3. Let it Cure for 2-24 Hours
Method 8: Wrap Up the Exhaust Leaks
1. Inspect and Clean the Leaks
2. Activate the Heat Wrap
3. Apply the Heat Wrap
4. Run the Engine for 30 Minutes
Method 9: ECT sensor
1. Inspect the ECT Sensor
2. Replace the ECT Sensor
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0:00 P0430 Intro
1:19 Method 1: Use a Catalytic Converter Cleaner
1:54 Method 2: Wash the Catalytic Converter
2:58 Method 3: Modify the Oxygen Sensor
3:37 Method 4: Oxygen Sensor Replacement
4:40 Method 5: Adjust Spark Plugs
6:07 Method 6: Replace Fuel Injectors
7:28 Method 7: Paste the Exhaust Leaks
8:18 Method 8: Wrap Up the Exhaust Leaks
9:49 Method 9: Replace ECT Sensor

[@HailAnts]

Method #3 is the only one that will work. If it's a bad sensor or a bad spark plug you'll get a different code.

[@AlexVorasane]

I fixed my exhaust leak and the CEL goes on and off now. What do you recommend looking into next?

[@robinwilliams5841]

I have a 2014 kia rio that keeps throwing a p0430 code still after changing both o2 sensors and catalytic converter. Any answers?

[@nondainc]

Hello, is there any other codes present?

[@robinwilliams5841]

@@nondainc no other codes!

[@robinwilliams5841]

@@nondainc it was due to a blown flange gasket and the bolts came loose from putting the new one on

[@joeholland428]

​@robinwilliams5841 thanks for the followup partner. So many people never close the loop. How small of a leak was causing your code to trip? I have a tiny leak on my flange and am wondering if that is causing my 430 code

[@ulisesquintero1219]

@@joeholland428 hi i have this code what is the flange gasket???

[@oyajibro1196]

I have p0430 code on my jeep grand Cherokee 3.6 2015 but it comes and goes few days after, then suddenly shows up again
Wonder what should be the problem?

[@nondainc]

Hello, usually the issue could be coming from the oxygen sensor (downstream side of the catalytic converter). But we suggest to check first the exhaust if there's any leak and fix it to see if the code will still register.

[@dwizzzle]

Same issue with my 14 altitude 3.6. My fuel efficiency has quite literally tanked.

[@danielsteinberg7698]

I had a leak in the valve cover gasket.

[@ulisesquintero1219]

Hi mine too the gas down so bad do you find this code???

[@jontaylor4160]

​@@ulisesquintero1219???

[@NoferTrunions]

Good grief! Unwatchable! Why the annoying music???????