Does check engine light came on for catalytic converter?
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.
How do I fix error P0420?
What repairs can fix the P0420 code?
- Replace muffler or repair leaks in the muffler.
- Replace exhaust manifold or repair leaks in the exhaust manifold.
- Replace exhaust pipe or repair exhaust pipe leaks.
- Replace catalytic converter (most common)
- Replace engine coolant temperature sensor.
- Replace front or rear oxygen sensor.
What causes a check engine light with a P0420 code?
In most cases, a P0420 code is caused by a bad catalytic converter. You will probably not have any symptoms except the check engine light with just the P0420 code stored. You may have other problems with your engine damaging the catalytic converter, which can cause symptoms like rough idle, rough acceleration, misfires, and hard shifting.
What does the p0328 code mean on a check engine light?
What the P0328 code means The P0328 code is telling us that there is a high input from the bank 1 knock sensor 1. The ECU detects excessively high voltage that is out of range of the knock sensor. This leads to the Check Engine Light being displayed on the dashboard.
What does the p0328 knock sensor 1 Code mean?
The P0328 code is telling us that there is a high input from the bank 1 knock sensor 1. The ECU detects excessively high voltage that is out of range of the knock sensor. This leads to the Check Engine Light being displayed on the dashboard.
What to do if your OBD scanner says P0420?
Replacing your catalytic converter can ensure efficient operation of your car’s exhaust system. You may also have to replace the oxygen sensor. After you’ve replaced or repaired these two components, check your OBD-II scanner again to ensure you’ve completely solved the OBD-II scanner error code P0420 or P0421 problem.