What causes OBDII P0420 on a Volkswagen Jetta?
It covers Volkswagen Jetta P0420 meaning, symptoms, causes, and possible solutions. WIth the Jetta, OBDII P0420 is often caused by a bad oxygen sensor, but there can be other causes as well. Jumping straight to replacing the O2 sensor can cost you time and money.
Where does the P0420 trouble code come from?
P0420 is triggered in the engine control module when there is a problem with the efficiency of the catalytic converter. The engine control unit uses two O2 sensors, one in the front of and one behind the catalytic converter to measure the efficiency of the catalytic converter.
What is the OBDII code on a Volkswagen Jetta?
P0420 is a very common trouble code. This code number references a number that is given to you when you plug your Volkswagen Jetta into a OBDII scanner. Volkswagen Jetta P0420 OBDII Code Defined. P0420 is a OBDII trouble code.
How to fix a leak in a Chrysler P0420?
Examine the exhaust system for damage and leaks. Pay close attention to the exhaust manifold, gaskets, and exhaust pipes pre-catalytic converter. If any leaks are found, repair the leak, clear the code, and complete several drive cycles to verify that was the fix.
What does the OBDII trouble code P0420 stand for?
P0420 is a OBDII trouble code. The code technically stands for: Your Jetta has at least two oxygen sensors, one before and after the catalytic converter. Among the many jobs that oxygen sensors have is they have to measure the emissions levels coming in and out of the converter.
How much does it cost to repair a P0420 Volkswagen?
The cost of diagnosing the P0420 VOLKSWAGEN code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. When is the P0420 VOLKSWAGEN code detected? – Three way catalytic converter Bank 1 does not operate properly.