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P0430 OBD-II Trouble Code: Catalyst System Efficiency Below Threshold (Bank 2)
P0430 code definition P0430 is a generic diagnostic trouble code that indicates a malfunction within the catalyst system. It may been seen with misfire codes and oxygen sensor codes. What the...

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Check Engine light code P0430
Your vehicle has groups of sensors that take readings and report back to the engine computer to make adjustments, or report an error; in this case, we're dealing with oxygen and/or air/fuel-ratio sensors. The code P0430 indicates a failure...
Emission and Suspension
Hello. To address the converter, there is no cure for a failing converter. In many cases, these cleaners will clean out some of the build up in the converter but definitely not all of it. You will end up needing...
Check Engine code P0340
The code P0430 on this car is one of the most common failures that occurs. This code indicates a problem with the crankshaft sensor. I recommend seeking a certified mechanic, such as one from YourMechanic, to come and test your...
Will not accelarate over 20mph and has a P0430 code
Hello and thank you for contacting Your Mechanic. The code P0430 means that the catalyst system efficiency is below threshold on bank 2. This is in relation to the catalytic converter not functioning correctly, but this code will not make...
Getting Engine light code P0430
The definition for the code P0430 is a problem with the catalyst or the sensors that keep track of its operation. An experienced technician will, such as one from YourMechanic, be able to identify the problem component. In many cases,...
Very hard to start vehicle
Hello. This code is also related to the catalytic converter not working properly. This can also happen when the ground wires connected to the O2 sensors are not properly hooked up causing them to send erroneous info to the computer....
Just paid $700 for tune up at Ford dealership, now I'm getting a P0430 code from engine light
Hi, thanks for writing in. This code is for the O2 sensor after the catalyst for the driver side. You will need to have the code diagnosed to see if the sensor is working okay or the catalyst is bad....
Just got code P0430. How long till catalytic converter fails completely?
Hi, thanks for writing in. This P0430 code is for the bank B or driver side converter or the O2 sensor after the converter. The code will need to be diagnosed to isolate the problem to the sensor or the...
Scan vehicle Code P0430 Cataylic system efficiency below threshold bank 2
The code is meant to indicate your catalytic converter is not performing up to par with the EPA (environmental protection agency) standards. Your car uses the oxygen sensors to monitor the catalytic converter (cat) efficiency. There is an O2 sensor...
Check Engine Light P0430
Hi there. There may be two possibilities here for the P0430 code. The fact that the new bolts were installed can cause the computer to read differently so it may just need to adapt and reset. It is also possible...
Where is the circuit one camshaft position sensor located?
Hello. The camshaft position sensor is located on the passenger side of the engine bay, on the cylinder head near the coolant reservoir tank. The reservoir tank needs to be removed in order to access it. If you need help...
Engine came on and we took it to Autozone. Code read P0430
Hello. This issue can be caused by a failing catalytic converter or by a bad oxygen sensor. As for driving the vehicle, if it is not lacking any power then it should be fine to drive. The only time a...
Can I drive my car with code po430 code
A P0430 code indicates the catalyst efficiency has fallen off. If there are no other codes indicating misfires and if the check engine light is not blinking, you should be OK to drive your car. If you have trouble scheduling...

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