Why does my Honda Odyssey not pass emissions?
If your vehicle has the P0420 code, it won’t pass emissions so please be aware of that. The P0420 code in a Honda Odyssey will often be thrown one of your oxygen sensors are not functioning properly. Typically, the code will be triggered by the upstream oxygen sensor (before the converter).
What is the problem with the Honda Odyssey P0420?
It covers Honda Odyssey P0420 meaning, symptoms, causes, and possible solutions. In the Odyssey, OBDII P0420 is often caused by a bad oxygen sensor, but there can be other causes as well. One of the most common trouble codes with all Honda vehicles is the P0420.
What is the trouble code on a Honda Odyssey?
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 Odyssey into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them. P0420 is a OBDII trouble code.
What causes the P0420 code to be thrown?
Oxygen Sensor – The P0420 codes is thrown when the oxygen sensors on both sides of the exhaust have very similar readings. When the oxygen sensor is bad, it can cause a false reading and trigger the code.
If your vehicle has the P0420 code, it won’t pass emissions so please be aware of that. The P0420 code in a Honda Odyssey will often be thrown one of your oxygen sensors are not functioning properly. Typically, the code will be triggered by the upstream oxygen sensor (before the converter).
What causes an odyssey to throw a P0420 code?
Odyssey Timing – If your Odyssey is misfiring or the exhaust timing is off, this can affect the gasses that are actually going to the O2 sensors enough to cause the P0420 code to register. Exhaust Leak – If there’s a noticeable exhaust leak coming from the vehicle it can change what the O2 sensors register enough to throw the P0420 code.
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 Odyssey into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them. P0420 is a OBDII trouble code.
Is there a way to clear the P0420 code?
You can clear the P0420 code temporarily with a scan tool or code reader. The problem is, the code will come back as soon as your car’s primary computer runs its system self-tests.