What is the code for bad catalytic converter?
A P0420 code indicates a problem with the catalytic converter. The purpose of the catalytic converter is to break down harmful pollutants created during the combustion cycle. If the downstream oxygen sensor is working properly, and there isn’t an issue with the catalytic converter, its readings should remain steady.
Will the check engine light come on if the catalytic converter is bad?
A faulty catalytic converter will trigger a check engine light. In addition, deteriorated spark plugs or a broken oxygen sensor can make your catalytic converter to fail. It becomes difficult to keep your car running if you take a lot of time before replacing a faulty catalytic converter.
What is the code for a catalytic converter?
Emissions Codes P0420 and P0430: Catalytic Converters. Emissionguy is a professsional car mechanic who enjoys the outdoors, dogs, guns, riding, relaxing in the sun, and pool.
What does the catalytic converter code P0420 mean?
The function of the catalytic converter is to break down harmful pollutants that are created by your Ford during the combustion cycle and convert them into harmless gases. Code P0420 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by your Ford.
How much does it cost to replace a catalytic converter?
So your car or truck is running well, but that check engine light is on, with a code P0420 or P0430, and related catalyst efficiency below threshold codes. You like your car, so you take it to be looked at. You choke on the estimate of $1400 or more to replace the converter on your car.
What causes a catalytic converter to go bad?
If these inputs aren’t in balance, the cat doesn’t work well. When a car’s engine is skipping, the overheating that results can destroy the catalytic converter. When a car is running too cold from a long warm-up time, for example, let’s say if the thermostat is bad, the same thing can happen: good-bye converter.