How many catalytic converters does a 2001 Honda Civic EX have?
To have greater protection of the environment against the harmful effects of car emissions, modern cars including Honda makes are equipped with three-way catalytic converters.
How does a car run with a bad catalytic converter?
Among the bad symptoms of a compromised catalytic converter are: Sluggish engine performance, Reduced acceleration, Dark exhaust smoke, The smell of sulfur or rotten eggs from the exhaust, Excessive heat under the vehicle, Some of those symptoms can also be caused by other parts of the emissions system, so it’s …
What does P0420 mean on Honda Civic EX?
After months of normal driving with no problems, my 2003 Honda Civic EX check engine light came on during a long trip. Got it scanned and it’s P0420: Catalyst efficiency below threshold bank 1. They said it could be a bad catalytic converter or oxygen sensor. I borrowed a scanner and tried to measure the oxygen sensor readings over time.
What does the P0420 OBD-2 error code mean?
@elizaalmstedt P0420 is the “Catalyst System Efficiency Below Threshold (Bank 1)” error code. Causes for this could be any of these (and many more): Damaged or leaking exhaust manifold / catalytic converter / muffler / exhaust pipe Most common likely cause for your model and year Honda would be a failed catalytic converter.
What does the OBDII code mean on a Honda Civic?
One of the most common trouble codes with all Honda vehicles is the P0420. This code number references a number that is given to you when you plug your Honda Civic into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them. P0420: Catalyst System Efficiency – Below Threshold.
Why is my Honda Civic not passing emissions?
The software in your vehicle believes that the catalytic converter is no longer doing its job. If your vehicle has the P0420 code, it won’t pass emissions so please be aware of that. The P0420 code in a Honda Civic will often be thrown one of your oxygen sensors are not functioning properly.
After months of normal driving with no problems, my 2003 Honda Civic EX check engine light came on during a long trip. Got it scanned and it’s P0420: Catalyst efficiency below threshold bank 1. They said it could be a bad catalytic converter or oxygen sensor. I borrowed a scanner and tried to measure the oxygen sensor readings over time.
Is the P0420 DTC code a trouble code?
The P0420 code is a very popular one and that’s why there’s a site dedicated to that specific trouble code. If your car’s check engine light is on, get that code read in case it’s a P0420. A P0420 code is a trouble code on OBD-II equipped vehicles.
One of the most common trouble codes with all Honda vehicles is the P0420. This code number references a number that is given to you when you plug your Honda Civic into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them. P0420: Catalyst System Efficiency – Below Threshold.
What are the symptoms of Honda Accord P0420?
Here are the typical symptoms that something is wrong when you have code P0420. Mileage- May or may not suffer depending on how much the catalytic converter is clogged. Loss of Power – It is a really strange feeling to drive a vehicle with a catalytic converter that is going out.