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Q: Can a bad catalytic converter cause a P0303 code?
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Can a bad catalytic converter cause a P0303 code if so why only one cylinder?

the answer is no . the converter would not affect just one cylinder .


Can car be driven with a code P0303?

P0303, number 3 cylinder is miss-firing. You could drive it but depending on the reason why it is miss-firing, it may damage the catalytic converter.


What does the code P0303 mean on a 2003 Chevy s 10 4.3 v6?

Misfire on cylinder 3. Get it fixed asap so you don't mess up your catalytic converter.


How do you fix p0420 code in rav4 2003?

Replace the catalytic converterReplace the catalytic converter


What does code p0421 mean on a Hyundai santafe?

I believe 0421 is a catalytic converter inefficiency code which is usually caused by a bad o2 sensor or a bad catalytic converter, but I have also seen fouled plugs and exhaust leaks cause this code.


What is common fix for code P0420 on dodge neon?

Replace the catalytic converter.Replace the catalytic converter.


What does the code P0420 mean on a 2000 dodge avenger?

Catalytic converter failure.Catalytic converter failure.


Will a code po455 show if car has a bad catalytic converter?

No, that code is for the evaporative emissions control system in the fuel tank. It has nothing to do with the catalytic converter.


1997 Toyota 4 runner engine code P0136 is that the sensor after catalytic converter?

Code P0136 is the code set for your O2 Sensor that is located after your Catalytic Converter.


What is the code for plugged catalytic converter?

Nothing


What is Code p0420 for a 1996 cirrus 2.5 v6 and how to fix it?

Catalytic converter failure. Replace the catalytic converter.


Your mechanic said that your engine light is on because of the catalytic conv is there a sensor on it that would throw the code?

A failed oxygen sensor could possibly cause a catalytic converter fault code.