Can an Exhaust Leak Cause a P0420 Code
Yes, an exhaust leak can cause a P0420 code. This code is related to the catalytic converter’s efficiency and when there is an exhaust leak it can lead to a decrease in gas mileage and increased emissions. When this happens, the O2 sensor detects that something isn’t right and sets off the P0420 code indicating […]
Can an Exhaust Leak Cause a P0420 Code Read More »