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P0430 catalyst system efficiency below threshold bank 2 of Technology
P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your A4's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your car's engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Audi A4 P0420 ...P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Pontiac GTO: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your GTO's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.Code Tech Notes. As the code description implies the P0430 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be ...P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your F350's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your truck's engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Ford F350 ...How to fix a Toyota P0420 Code, "Catalyst System Efficiency Below Threshold (Bank 1)."Link to Cataclean on Amazon: https://amzn.to/3TSI6xWPossible Causes of ...P0430 definition: Catalyst system efficiency below threshold (Bank 2). Issue Severity: MODERATE- Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0430 code.1656 posts · Joined 2007. #1 · Jul 6, 2014. I just got this code pulled today and autozone gave me a print out of the possible cause. Catalyst system efficiency below threshold-Bank 1. The leading Causes... 1. Large vacuum leak. 2. Fuel System fault.To diagnose the P0430 2015 Chevrolet Silverado code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your Tacoma’s engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your truck’s engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Toyota ...Diagnostic trouble code(DTC) P0422 stands for “Catalyst 2 Efficiency Below Threshold (Bank 1).”. It indicates that the emissions efficiency of Bank 1 catalytic converters are below the minimum allowable limit. This threshold is monitored by the catalyst monitor oxygen sensor, which is located near the catalytic converter’s outlet.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Acadia’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Frontier’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of …The P0430 code is an OBD-II trouble code that stands for “Catalyst System Efficiency Below Threshold (Bank 2)” which indicates a problem with the catalytic converter, which is located near engine Bank 2 (the engine’s opposite side from the number one cylinder). In this article, I will be talking about the P0430 trouble code, its symptoms ...Tech Notes. As the code description implies the P0430 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be ...Jun 20, 2023 · 47.7K subscribers. Subscribed. 1.2K. 84K views 10 months ago. How to fix a P0430 engine code: Catalyst System Efficiency Below Threshold Bank 2 How To Test Oxygen Sensor Heater...P0430 is a diagnostic trouble code (DTC) for "Catalyst System Efficiency Below Threshold (Bank 2)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: P030X (misfire) P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) P219B (air-fuel ratio variation of cylinder [bank 2, front bank])OBD2 Code P0430 Hyundai definition: Basically this means that the oxygen sensor downstream of the catalytic converter on bank 2 is detecting that the converter is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.What does this mean? OBD2 Code P0430 Buick definition: Basically this means that the oxygen sensor downstream of the catalytic converter on bank 2 is detecting that the converter is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your 300’s engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your car’s engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Chrysler 300 ...Causes. Diagnosis. Quick Test. GMC Acadia P0430 Quick Info Table. P0430 OBDII Code Defined. P0430 is generic (has the same meaning for all vehicles made in …1656 posts · Joined 2007. #1 · Jul 6, 2014. I just got this code pulled today and autozone gave me a print out of the possible cause. Catalyst system efficiency below threshold-Bank 1. The leading Causes... 1. Large vacuum leak. 2. Fuel System fault.Nov 30, 2018 · P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Ram’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Explorer's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Chevy Avalanche: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Avalanche's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your Transit Connect's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. ... The bank 2 version of this code is P0430. Ford Transit Connect P0420 Code Symptoms.Cltremblay. P0430 - Catalyst Effeciency BANK 2 You will have one O2 sensor before (Upstream) the catalytic converter and one O2 sensor after (Downstream) the catalytic converter. Any of the 4 O2 sensors can cause this code to set. This code can be set due to a number of things.If you cannot successfully get rid of the P0430 code by cleaning or washing the catalytic converter, try to adjust the oxygen sensor. Carefully remove the oxygen sensor from the catalytic converter. Then Use an oxygen sensor extender and adjust the distance between the oxygen sensor and the catalytic converter.P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Saturn Ion: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Ion's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Accord’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of …As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase. When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three way catalyst malfunction is diagnosed. P0430 Mercedes-Benz Code - Catalyst System Efficiency Below Threshold Bank 2P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Cherokee's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.2008 honda odyssey touring P0430 code, bank 2 cat. Took out what I. Check Details. Code P0430: Catalyst System Efficiency Below Threshold Bank 2. How... Check Details. P0430 code on 2010 Honda Pilot - Honda-Tech - Honda Forum Discussion. Check Details. How to remove 2005 - 2010 Honda Odyssey bank 2 catalytic converter. Check DetailsP0420: Catalyst System Efficiency Below Threshold (Bank 1) ... The bank 2 version of this code is P0430. Subaru Legacy P0420 Code Symptoms. ... Subaru Liberty P0420: Catalyst System Efficiency → Below Threshold → Bank 1. Jason on Mazda 6 P0320: Meaning, Causes, & Diagnosis.Sep 14, 2018 · P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Sierra’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out. P0430: Catalyst System Efficiency Below Threshold (Bank P0430: Catalyst System Efficiency Below ThresholTechnical DescriptionCatalyst System Efficiency Below Thre
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P0430 Lincoln Catalyst System Efficiency Below Threshold Bank 2. P0430 Mazda Catalyst Efficiency Monitor Malfunction Bank 2 📷. P0430 Mercedes-Benz Catalyst System Efficiency Below Threshold Bank 2. P0430 Mercury Catalyst System Efficiency Below Threshold Bank 2. P0430 MINI Catalytic Converter Conversion 2 📷.P0430 Catalyst System Efficiency Below Threshold (Bank 2) The catalytic converter is no longer functioning properly. An oxygen sensor is not reading (functioning) properly. There is an exhaust leak. First, inspect for exhaust leaks. Next step is to measure the voltage at the oxygen sensor on Bank 2. In fact, it would be a good idea to test each ...DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2) MONITOR DESCRIPTION. The ECM uses the sensors mounted in front of and behind the three-way catalyst (TWC) to monitor its efficiency. The first sensor, an Air Fuel ratio (A/F) sensor, sends pre-catalyst A/F ratio ...P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Wrangler’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of …227k miles on my '08 now. I've fought P0430 (forward, Bank 2 cat) for a few years. I was able to pass the CA SMOG test two years ago by clearing the code and driving for about 100 miles before doing the test. This year I was not able to beat it - if showed "pending," so it could not be smogged. I put a new Honda cat con in and now all is well.A P0430 code indicates a Bank 2 catalytic converter issue. This code indicates that the downstream oxygen sensor (placed after the catalytic converter) detects inefficient operation. This code occurs when the catalytic converter fails to reduce exhaust gas pollutants to the specified limits. D. Digger84.For many drivers, the first sign that the catalyst efficiency is below the threshold is that the Check Engine Light turns on. In many cases, drivability will appear quite normal. ... Was does system too lean bank 1 and bank 2 mean? Read More . Trouble Code P0451: EVAP Emission System Pressure Sensor Performance. Learn what Trouble Code P0451 ...Vehicle is 2004 LX470 with 260,000 KM which is like 150,000 MIles i think. Vehicle was fine and then got this check engine light with all VSC traction disabled. Got it checked out (Autozone) and got the P0430 Code, Catalyst system efficiency below threshold (Bank 2). I have a 2000 km drive planned in 3 weeks so wanted to make sure LX is in good ...As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase. When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three-way catalyst malfunction is diagnosed. P0430 Mercury Code - Catalyst System Efficiency Below Threshold Bank 2P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your F150’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of …P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your FJ Cruiser’s engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. ... The bank 2 version of this code is P0430. Toyota FJ Cruiser P0420 Code Symptoms.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your MKZ’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.The pending code P0430 went away. Tried to get a CA Smog check and they advised that the OBD scanner was not ready because the orange CAT light was on. Went on a drive for about 45 mins going 60-65 mph and turning all electronics in the van to reset the scanner.May 19, 2021 · Summary. P0420 stands for “Catalyst System Efficiency Below Threshold (Bank 1).”. This trouble code is triggered when the on-board computer detects that the bank 1 of the catalytic converter is underperforming. A faulty catalytic converter (usually due to overheating and contamination) is the most common reason why this code is logged.P0430 means "Catalyst System Efficiency Below Threshold (Bank 2)," a diagnostic trouble code (DTC). Misfire and oxygen sensor codes could indicate it. When the ECU notices that the catalytic converter's performance is below the threshold, the P0430 code is set. The Check Engine Light will appear on the dashboard when the low-performance ...P0430 Catalyst System Efficiency Below Threshold Bank 2 By coneybiller March 17, 2014 in Lexus GS 300 / Lexus GS 250 / Lexus GS 430 / Lexus 450h / Lexus GS 460 ClubTo diagnose the P0430 2003 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your Ridgeline's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your truck's engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Honda ...P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your Hilux's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your truck's engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Toyota ...P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here’s the technical definition for your Chevy Cruze: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Cruze’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Nissan Murano: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Murano's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.The exact definition for the P0430 code is “Catalyst System Efficiency Below Threshold Bank 2”. This practically means that the catalytic converter on bank 2 exhaust manifold isn’t working as it should. That results in increased bad emissions being released into the atmosphere.Sep 15, 2018 · P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Expedition’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your Escape's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your vehicle's engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Ford ...As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase. When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three-way catalyst malfunction is diagnosed. P0430 Lincoln Code - Catalyst System Efficiency Below Threshold Bank 2P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here’s the technical definition for your GMC Canyon: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Canyon’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.P0430 - Catalyst System Efficiency Below Threshold (Bank2) is stating that your catalytic converter on Bank 2 is not functioning properly and it doesn't deal efficiently with the poisonous gases in your exhaust. This fault is basically the same as P0420, which has the same meaning except it is for Bank1.P0430 Technical Definition: P0430 Catalyst Syste"Emissions System Problem" showed
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This page is meant to help you troubleshoot the Ford F150 P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions.Oct 29, 2021 · P0430 is a diagnostic trouble code (DTC) for “Catalyst System Efficiency Below Threshold (Bank 2).” It warns about a problem with the catalytic converter mounted near engine bank 2 (the side of the engine opposite the number one cylinder).Use caution and disconnect related controllers before attempting to test system circuit resistance with the DVOM. Codes Related to P0431. P0430 Catalyst System Efficiency Below Threshold (Bank 2) P0432 Main Catalyst Efficiency Below Threshold (Bank 2) P0433 Heated Catalyst Efficiency Below Threshold (Bank 2)P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Saturn Ion: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Ion's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.Here is an updated video with more information. https://www.youtube.com/watch?v=e1R843nLM0sHow to fix a Dodge with a P0430 code, "Catalyst System Efficiency ...P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Pilot’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of …P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Chevy Equinox: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Equinox's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase. When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three way catalyst malfunction is diagnosed. P0430 Nissan Code - Catalyst System Efficiency Below Threshold Bank 2P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your F250's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. A quick Google search for your truck's engine and model year can quickly confirm that. ... The bank 2 version of this code is P0430. Ford F250 ...I have 99 Suburban replaced all O2 sensors couple years ago. I am now getting the P430 catalytic converter system, bank 2 efficiency below threshold. Truck runs like crap ever since it threw the first P430 code. Bank 2 cat is black on the under belly, bank 1 cat appearance looks fine. These are the original cats. No other codes.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Edge’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.Causes. Possible causes of OBD code P0430 Land Rover. A code P0430 Land Rover 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 There is an exhaust leak.P0420: Catalyst System Efficiency Below Threshold (Bank 1) ... Bank one is the side of your Transit Connect's engine with the first cylinder. Typically, the first cylinder is closer to the front of the engine. ... The bank 2 version of this code is P0430. Ford Transit Connect P0420 Code Symptoms.P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Chevy Colorado: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Colorado's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.Causes. Possible causes of OBD code P0430 Volvo. A code P0430 Volvo 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 There is an exhaust leak.Code Tech Notes. As the code description implies the P0430 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be ...The P0430 is a fairly straight forward code pointing to a failing Catalytic Converter (in this case, the converter for Bank #2). The Oxygen Sensors measure the amount of emissions in the exhaust going into, and then out of the covnerter. When they see the converter is not "cleaning" the exhaust enough to meet specs, the converter is deemed ...Then set torque to display the O2 sensor outputs. You should then be able to see the levels cycling. Next step is to swap the offending sensors, (downstream usually), left/right & see if the fault stays on the one side, (bad cat), or swaps over, (bad sensor, much cheaper). I had this & it was a bad cat in the end.I do not want to do the 'trick' of tricking the system with an 02 spacer. P0430 Nissan - Catalyst System Efficiency Below Threshold Bank 2. Possible causes. - Three way catalyst converter Bank 2. - Exhaust tube. - Intake air leaks. - Fuel injectors may be faulty. - Fuel injector leaks. - Spark plugs may be faulty.12 posts · Joined 2023. #1 · Apr 8, 2024. P0430 Catalyst System Efficiency Below Threshold (Bank 2).". Second time I've thrown this code and deleted it. 2021 Trackhawk stock besides afe intake and pedal commander. issue occurred again today after remote starting the truck in my garage for 20 minutes with all windows and doors closed in my ...To diagnose the P0430 2010 Toyota Camry code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Expedition's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.Sep 13, 2018 · P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Corvette’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.P0430 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your Honda Accord: P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Accord's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Navigator's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out.P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Suburban’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of …Sep 15, 2018 · P0430: Catalyst System Efficiency Below Threshold (Bank 2) Catalyst System Efficiency. Your Edge’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses. Catalyst system efficiency measures how many chemicals are removed from the exhaust system. A modern catalytic converter should pull over 95% of these pollutants out. P0430: Catalyst System Efficiency Below Thresho