What causes the P0420 code on a GMC Acadia?
The P0420 code in a GMC Acadia 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 trouble code on a GMC Acadia?
One of the most common trouble codes with all GMC vehicles is the P0420. This code number references a number that is given to you when you plug your GMC Acadia into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them.
What to do if your catalytic converter code is P0420?
Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first. The cost of diagnosing the P0420 GMC code is 1.0 hour of labor.
What does the P0420 code on Honda Civic mean?
As the code description implies the P0420 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting).
The P0420 code in a GMC Acadia 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).
One of the most common trouble codes with all GMC vehicles is the P0420. This code number references a number that is given to you when you plug your GMC Acadia into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them.
How much does it cost to diagnose a GMC P0420 code?
The cost of diagnosing the P0420 GMC code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. When is the code detected?
Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first. The cost of diagnosing the P0420 GMC code is 1.0 hour of labor.