What is warm up catalyst efficiency below threshold?
What is warm up catalyst efficiency below threshold?
Diagnostic trouble code (DTC) P0431 stands for “Warm Up Catalytic Converter, Bank 2—Efficiency Below Threshold.” It means that your car’s primary computer or powertrain control module has detected that the catalytic converter is not efficient enough based on factory specification.
What is warm catalyst?
Overview. Error Code P0421 is described as Warm Up Catalyst Efficiency Below Threshold (Bank 1). This means the Catalytic Converter’s Oxygen Sensor Downstream has detected that the Bank 1 converter is not working properly.
What does it cost to replace a catalytic converter?
On average, expect to pay anywhere between $500 and $2,200 to replace a catalytic converter in newer cars. Parts alone will cost $400 to $2,000. Labor costs will set you back $75 to $150 for the estimated one hour of labor needed for replacement.
How much does it cost to diagnose the p0421 Hyundai Code?
The cost to diagnose the P0421 HYUNDAI 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.
What does the p0421 code on a GMC Sierra mean?
The code may be more likely to occur after the engine has had numerous cold starts in the past 1-2 days. A code P0421 may mean that one or more of the following has happened: The catalytic converter is no longer functioning properly An oxygen sensor is not reading (functioning) properly
What does the a code p0421 mean on a catalytic converter?
A code P0421 may mean that one or more of the following has happened: The catalytic converter is no longer functioning properly. An oxygen sensor is not reading (functioning) properly. A sparkplug is fouled up.
How do I fix the p0421 code on my Toyota Corolla?
What repairs can fix the P0421 code? Repairs that can fix the P0421 code may include: Replacing the catalytic converter; Replacing the oxygen sensor; Repairing or replacing wiring that is associated with the oxygen sensor; Replacing the powertrain control module; Additional comments regarding the P0421 code?