P0424 - OBD Trouble Code

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Do you have any idea as when the catalyst temperature will fall below threshold? Will that result in OBD error P0424? Yes! You got it right. When the P0424 code is stored in the vehicle, it shows that the three - way catalytic converter is either not functioning properly or performing ineffectively as specified by the manufacturer of the vehicle. In one such scenario, the problem will be found out, when the storage capacity of the oxygen is decreased, thus increasing the switch rate of the catalytic converter which causes a malfunction and this in return is signaled to the PCM (Powertrain Control Module). This further stores the codes, illuminating the light of check engine.

The P0424 error generally arises if the catalytic converter is not performing to its usual capacity. The reason for this issue can be a number of problems in the vehicle, but most commonly, it can generally mean that the emission of the vehicle will increase and it is impossible for the vehicle to pass the OBD - II emission test that is required for registration in most of the states.

What causes this problem with the Heated Catalyst Temperature Below Threshold (Bank 1)?

• The catalytic converter is damaged
• The oxygen sensor is defective
• Presence of air leak in the catalytic converter

1. Oxygen sensor - Do you know, a fault or damaged oxygen sensor can cause the error P0424. Repair or replace this damaged part as desired.
2. Powertrain Control Module - Is your powertrain control module malfunctioning? Then it’s more likely that it is damaged or faulty. Get them fixed immediately.
3. Catalytic Converter - Are there any leaky areas or broken wires around the catalytic converter? Get them replaced with the right parts from PartsAvatar.

We at Parts Avatar Canada care for our customers, and that’s why we will help you to diagnose P02BB code by listing out some major symptoms. They are mentioned below as follows:

Common Symptoms

The P0424 is a common error that you will find in the vehicle and in most of the cases. The possible symptom of this error code is -

• A decrease in fuel efficiency.
• The performance of the general engine is deficient.
• An increased amount of black smoke coming from the exhaust.
• A few other diagnostic trouble codes.
• The illuminated light of the Check engine.

Learn the ways with which you can correct this trouble code:

• Replacement of the faulty oxygen sensor
• Repairing the air leaks in the catalytic converter
• And in rare cases you have to replace the PCM

However, if you face any issue then we have stocked a wide range of best priced Oxygen Sensor. Connectors, Fuel Injector, Catalytic Converter and more to help you out in fixing your car.

It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P0424 code to be stored:

• In order to diagnose the error code P0424, the mechanic will generally use an OBD – II scanner so that he can check for the P0424 codes and other similar codes which would have been stored in the system as well. If you find any other codes in the engine like misfiring of the engine, oxygen sensors, trimming of the fuel, you have to diagnose all these parts and if there are any damages or faults resolve them quickly. These can be the probable cause of the P0424 error in your system.
• After checking for all the errors related to these codes, the mechanic will then check for the air leaks and test the oxygen sensor if there are any faults or leaky areas. If you keep getting these error codes again and again even after retesting, then the only answer for this error is to replace your catalytic converter.

Common Mistakes When Diagnosing the P0424 Code

One of the common mistakes that is associated when you diagnose the P0424 code is that you fail to solve every other code before addressing P0424 error. The other codes can cause severe problems in your vehicle like repetitive failure of the catalytic converters. If you fail to address these problems first then it will result in causing more damage to your vehicle.