P0430 code chevy

P0430 code. i have a P0430 code for several months now. i've replaced the rear O2 sensor ( both sides actually ). no change in the code. i just replaced the catalytic convertor last weekend. again, no change in the code. currently, i have a pending and a permanent code showing on the reader. the mileage and power both seem to be normal.

P0430 code chevy. 9 posts · Joined 2021. #1 · Jan 30, 2021. Hello! Working on my buddies 2014 GMC Sierra 1500 5.3 and keep getting P0300, P216E, and P0430 codes. I have done the following engine work using all GM/ACDelco parts: -Replaced plugs and wires. -Replaced all four 02 sensors. -Replaced air filter. -Replaced water temp sensor.

Jan 28, 2022 · The P0430 fault code is a common one, and it stands for catalyst system efficiency below the threshold (Bank 2). This means that the catalytic converter on bank 2 exhaust manifold isn’t functioning efficiently and is sending excess pollution into the environment. There are a couple of things that can cause the P0430 code, and the check engine ...

Sep 13, 2018 · Chevy Equinox P0430: Symptoms. The P0430 code in a Chevy Equinox will often be thrown if one of your vehicle’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0430. For most people, the first sign that anything is wrong is the service engine soon light coming on. This page is meant to help you troubleshoot the Chevy Traverse P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of ContentsIf the readings don’t change at all while you do this, that means the problem triggering a P0327 or 332 is an open circuit in the knock sensor. You can also check the knock sensor’s resistance with a multimeter (2:19). Set the meter to ohms (which looks like a little horseshoe), place one of the leads on the ground, and the other on one of ...MrShorty said: A couple of different ideas: 1) Switch the post cat O2 sensors left to right and see if the code follows the sensor or not. If the code follows the sensor, the sensor/circuit is probably at fault. If the code stays the same, the cat is probably at fault.How to fix a Chevrolet P0420 engine code: Catalyst System Low Efficiency Bank 1Link to Cataclean on Amazon: https://amzn.to/3TSI6xWHow To Test Oxygen Sensor ...The great American sports car is going electric. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. The great American spor...P0430 after removing the intake manifold could be an indication of an air leak at the manifold. Faulty gasket or a cracked manifold could be the culprit. Coolant entering the cylinder can also cause this and the coolant leak could be caused by the same issue (s) stated above. Check the bottom of the oil fill cap for frothy moisture deposits as ...Oct 29, 2021 · Since it is a generic powertrain code, the P0430 trouble code applies to most makes and models of vehicles manufactured from 1996 onward. The exact repair method may vary according to the type of vehicle, but in general, the fix for a P0430 on a Ford will be pretty much the same as the fix for a Chevy or Nissan.

The P0440 code means that the control module has detected a leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that triggers the P0440 code. User Submitted Video. ⚠ Check if …1.1K. 80K views 10 months ago. How to fix a P0430 engine code: Catalyst System Efficiency Below Threshold Bank 2 How To Test Oxygen Sensor Heater …Jan 11, 2024 · Ignoring the P0430 code can lead to bigger problems down the road. By understanding its meaning, potential causes, and your repair options, you can tackle this check engine light monster with confidence. And thanks to PartsHawk, you might even save some cash while keeping your Ford, Chevy, or Nissan purring happily! The P0430 is a check engine light code that shows that the efficiency and performance of your catalytic converter are less than the required threshold. This means that every time you turn on your vehicle, you’re adding more pollution to the environment than you should. Several reasons might cause this code to appear.Jun 20, 2022 · The Diagnostic Trouble Code (DTC) will be set when the ECM determines that the efficiency of the catalyst has degraded below a calibrated threshold. P0430 2017 Chevrolet Silverado Code - Catalyst System Low Efficiency Bank 2 This page is meant to help you troubleshoot the Chevy Malibu P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents. Quick ...This page is meant to help you troubleshoot the Chevy Impala P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents. Quick ...

Does Cataclean really fix a P0420 / P0430 error code and catalytic converter. Cataclean Link: https://amzn.to/33t8RVQ Second channel for easy to follow Home ...Chevrolet vehicles are known for their performance, reliability, and advanced technology. However, like any other vehicle, Chevys can experience mechanical issues from time to time...Catalyst System Efficiency Below Threshold (Bank 1) is the meaning of the P0420 code. This code indicates that Catalyst System Efficiency (Bank 2) is below the threshold (P0430). The number one cylinder is located on the bank 1 side of the engine. In Bank 2, you will find the opposite side of the engine. P0420 and P0430 both showed up and are ...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.This page is meant to help you troubleshoot the Chevy Sonic P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents. …Which would be a better way to go? I am leaning toward the cheaper option of just deleting the P0420 and P0430 codes straight up, but will the downstream O2 sensors give me issues if they are not plugged? Save Share. Like. ... old truck 2002 chevy 1500hd 2wd auto 3.73's aem brute force intake, magnaflow true duals, no cats,bb 91 sport tune ...

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To diagnose the P0430 2018 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.A P0430 error code means that the system is operating below the efficiency threshold. Your catalytic converter is an essential component for reducing your emissions. If it’s not …The P0430 code is a diagnostic trouble code (DTC) that may appear on the vehicle’s onboard diagnostic (OBD-II) system. It specifically relates to the catalyst system’s efficiency, specifically in Bank 2 of the engine. Bank 2 typically refers to the side of the engine that does not contain the number one cylinder.How to diagnose DTC P0430 on a Chevrolet Traverse: This trouble code typically comes to an owner’s attention in one of two ways – when the check engine light (or more properly, the “Malfunction Indicator Lamp”) is lit, there’s a surprisingly decent chance that the issue is either DTC P0430 or DTC P0420 – catalytic converter issues really are …

Does Cataclean really fix a P0420 / P0430 error code and catalytic converter. Cataclean Link: https://amzn.to/33t8RVQ Second channel for easy to follow Home ...A faulty catalytic converter, damaged O2 sensor, wiring issues, and exhaust leaks are the most common reasons why the on-board computer can log a P0430. If the computer logs a P0430 code, your vehicle can exhibit symptoms like an illuminated check engine light and a failed emissions test. Contentshide. 1.Dec 29, 2021 · 8496 posts · Joined 2015. #2 · Dec 29, 2021. Well, the obvious "cause" would be the cat's are used up. It's possible there is a wiring/connector issue doing it, and it's possible that if the engine isn't running right, that cause use up the cat's faster. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd. The P2099 code stands for “Post Catalyst Fuel Trim System Too Rich (Bank 2).”. It triggers when the powertrain control module (PCM) detects a biased signal voltage input from the downstream oxygen sensor that indicates an issue with the air and fuel mixture. Some common triggers for the code include faulty sensors, circuit issues, and ...Jun 20, 2022 · The Diagnostic Trouble Code (DTC) will be set when the ECM determines that the efficiency of the catalyst has degraded below a calibrated threshold. P0430 2017 Chevrolet Silverado Code - Catalyst System Low Efficiency Bank 2 9 posts · Joined 2021. #1 · Jan 30, 2021. Hello! Working on my buddies 2014 GMC Sierra 1500 5.3 and keep getting P0300, P216E, and P0430 codes. I have done the following engine work using all GM/ACDelco parts: -Replaced plugs and wires. -Replaced all four 02 sensors. -Replaced air filter. -Replaced water temp sensor.The dead cat codes, P0420 and P0430 no longer registered. The engine ran very well, idled smoothly and could rev to 6k rpm. But the random misfire code, P0300 remained. In fact, it appeared much more often and continued to flash much longer.P0430 Code - Catalyst System Efficiency Below Threshold Bank 2. How to Fix. ... P0430 Chevrolet Catalyst System Low Efficiency Bank 2 ...

On my previous 2001, I used to get a P0420 (or P0430 - same thing other side) about once a year. I had surprisingly good luck by simply adding a 20oz bottle of Chevron Techron Concentrate in the gas tank, clear the code, do a few hard acceleration pulls and the code would not return. Cheap POTENTIAL solution. Good luck.

SilverSurfer. 3619 posts · Joined 2011. #6 ·Aug 8, 2014. P0430 means the cat's bad. Warranty on emissions is 5/80 federally mandated. Take the tune off and wait for the code to come back, then give it to the dealer. The exhaust work after the cat won't matter. SaveShare. What is the Chevy P0430 code? P0430 code Chevy implies that the catalyst system efficiency is below the Bank 2 threshold. So, the catalytic converter on Bank 2’s exhaust manifold is inefficient and emits excessive environmental pollution. Can bad spark plugs cause a P0430 code? Yes. Having defective spark plugs can cause the code P0430 to ... On my previous 2001, I used to get a P0420 (or P0430 - same thing other side) about once a year. I had surprisingly good luck by simply adding a 20oz bottle of Chevron Techron Concentrate in the gas tank, clear the code, do a few hard acceleration pulls and the code would not return. Cheap POTENTIAL solution. Good luck.Dec 21, 2002 ... This code says that te catalyst system efficinacy for bank2 is below threshold for engine operation. Does this mean that the cat is bad and ...This page is meant to help you troubleshoot the Chevy Silverado P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter...This page is meant to help you troubleshoot the Chevy Express P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of …The P0300 code specifically applies to the Chevrolet Silverado and refers to engine misfires. When this code is triggered, it indicates that the engine has detected random misfires in multiple cylinders. These misfires can result in poor engine performance, reduced fuel efficiency, and potential damage to other engine components.Here's how to bypass or trick the O2 sensor into thinking your catalytic converter is working when you have the P0420/P0430 check engine light code. May or m...

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Oct 20, 2022 ... Causes and Fixes Dodge P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2) · Comments9.The P0440 code means that the control module has detected a leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that triggers the P0440 code. User Submitted Video. ⚠ Check if …El código de diagnóstico de problemas (DTC) P0430 de Chevrolet se refiere a un problema relacionado con el catalizador de 3 vías. Un catalizador de 3 vías controla las emisiones de hidrocarburos, monóxido de carbono (CO) y óxido de nitrógeno (NOx). El catalizador promueve una reacción química que oxida los hidrocarburos y el CO ...Apr 12, 2021 ... Just changed all the injectors and walnut shell blasted the intake ports. After two drive cycles set a P0430 Catalyst efficiency code.Thanks all. For what it's worth, there's only 1 code that's thrown and the scanner has 3 pages that show/describe the code. The only code is P0430. The DIC will sometimes tell me to tighten gas cap, but there's no code that gets stored. But, for $6, I replaced the gas cap. Now...everyone can take that one off the potential culprit list. The most common mistake when diagnosing a P0430 code on Chevy Silverado and other car models is limiting the diagnosis to the catalytic converter and the oxygen sensor. A leaking fuel injector or leaking head gasket can be the culprit of a P0430 fault code. Therefore, ensure to extend the diagnosis to every probable cause. How to diagnose DTC P0430 on a Chevrolet Traverse: This trouble code typically comes to an owner’s attention in one of two ways – when the check engine light (or more properly, the “Malfunction Indicator Lamp”) is lit, there’s a surprisingly decent chance that the issue is either DTC P0430 or DTC P0420 – catalytic converter issues really are …2004 chevy avalanche 1500: exhaust..codes p0430, P0336..rattling 2004 chevy avalanche 1500 truck, cats were replaced last week because the insides broke and were spitting out of the exhaust. truck is repeating the same problems even with new cats and a new muffler. …Replacing Catalytic Converter Because of P0430 Code. Jump to Latest Follow ... 2003 Chevy Silverado Z71, 5.3L, K&N 57 series, 2.5'' Flowmaster Super 10 series dual exhaust , Corvette Servo, McNew Automotive Dyno tune, SS gauge cluster, Extang Trifecta Tonneau, Pacesetter shorty headers, Goodmark cowl hood, Sony Xplod …This page is meant to help you troubleshoot the Chevy Trailblazer P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of …Well this just happened about 2 hours ago well driving. My book says its p0430 three way catalytic converter system low efficiency (bank 2). What in the world does that really mean. Information for the truck: 1996 chevy Tahoe LT with 5.7l vortec and 4l60e tranny. 197,280 miles.2004 chevy avalanche 1500: exhaust..codes p0430, P0336..rattling 2004 chevy avalanche 1500 truck, cats were replaced last week because the insides broke and were spitting out of the exhaust. truck is repeating the same problems even with new cats and a new muffler. … ….

This page is meant to help you troubleshoot the Chevy Silverado P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible …2004 chevy avalanche 1500: exhaust..codes p0430, P0336..rattling 2004 chevy avalanche 1500 truck, cats were replaced last week because the insides broke and were spitting out of the exhaust. truck is repeating the same problems even with new cats and a new muffler. …El código de diagnóstico de problemas (DTC) P0430 de Chevrolet se refiere a un problema relacionado con el catalizador de 3 vías. Un catalizador de 3 vías controla las emisiones de hidrocarburos, monóxido de carbono (CO) y óxido de nitrógeno (NOx). El catalizador promueve una reacción química que oxida los hidrocarburos y el CO ...Sep 13, 2018 · This page is meant to help you troubleshoot the Chevy Colorado P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents This page is meant to help you troubleshoot the Chevy Corvette P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of ContentsThis page is meant to help you troubleshoot the Chevy Malibu P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents. Quick ...The bank 2 version of this code is P0430. ... The P0420 code in a Chevy Aveo will often be thrown if one of your car’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0420. For most people, the first sign that anything is wrong is the service engine soon light coming on. ...Jan 22, 2018 ... ... P0430 code. These are your catalytic converter efficiency codes. By installing a spark plug non fouler with a drilled hole you can keep the ... P0430 code chevy, Best prices for what you need in today's project!Spark plug non fouler (the special part you need): http://amzn.to/2FYf2AjSpecial oxygen sensor tools: http:/..., How to diagnose DTC P0430 on a Chevrolet Suburban: This trouble code typically comes to an owner’s attention in one of two ways – when the check engine light (or more properly, the “Malfunction Indicator Lamp”) is lit, there’s a surprisingly decent chance that the issue is either DTC P0430 or DTC P0420 – catalytic converter issues really are quite common – so much so that this is ..., Diagnostic trouble code(DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).”. It indicates that the exhaust system’s oxygen levels are below the required threshold in Bank 1, which can damage the engine’s exhaust and fuel system. Bank 1 refers to the side of the engine that houses the number one cylinder., In the last month we started with the 420 code, since then we have replaced Bank 1 and Bank 2 catalytic converter, and all 4 oxygen sensors. ... Technicians may encounter a concern where the catalytic converter has come apart or has set a P0420 and/or P0430. ... 2022 Chevy Blazer 2019 Colorado LT 2016 SS Sedan 2001 Trans Am …, Service Repair. The real cause of P0420/P0430 DTCs. Dec. 10, 2021. The 'Catalytic Converter Efficiency' codes might imply a failed converter, but odds are the …, The P0430 Diagnostic Trouble Code (DTC) is your car's way of telling you that its catalytic converter efficiency for bank 2 has dipped below what's acceptable. Sitting snugly near engine bank 2, if your vehicle’s catalytic converter starts slacking off, due to age, deuteriation, or contaminant build-up, it won’t scrub those exhaust fumes as ..., The P0430 code in a Chevy Captiva will often be thrown if one of your vehicle’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0430. For most people, the first sign that anything is wrong is the service engine soon light coming on., The bank 2 version of this code is P0430. ... The P0420 code in a Chevy Suburban will often be thrown if one of your vehicle’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0420. For most people, the first sign that anything is wrong is the service engine soon light coming on. ..., Only a leak in front of the rear o2 can cause a code or the sensor to send false readings. 2015 Duramax, 1986 M1031, 2006 1500HD. 0. 08chevy66. 261 posts · Joined 2015. #3 · Jan 29, 2015. every time this code comes up is a bad cat. its the same with the p0420. the PCM runs a test on the cat and if it fails it will set these codes., Right before heading home the check engine line popped on throwing a P0430 “catalyst system efficiency below threshold bank 2” code. After a little research it appears it could be the cat on the passenger side or the o2 sensor., My 1999 chevy silverado 1500 5.3, kept throwing the check engine light on with code P0430 bank 2 catalytic convert efficiency below threshold. No a lot of vi..., P0430 - discovered third cat missing. So i have had my 2011 Chevy Traverse for a couple weeks and keep getting P0430. I finally was able to get it up on a lift and saw that there are 2 CATS with 2 downstream sensors. I didnt know it had a third CAT because it was removed and straight pipe was put in its place., The most typical mistake made while troubleshooting a P0430 code on a Chevy Silverado and other auto models is limiting the diagnostic to the catalytic converter and the oxygen sensor. A leaky head gasket or fuel injector may be the source of a P0430 fault code. As a result, be sure the diagnosis covers all potential causes., P0430 Powertrain "Catalyst System Efficiency Below Threshold Bank 2". Few days ago I found check engine light on the truck and upon scanning with obd2 I found code is P0430. Before rushing to catalytic converter I inspect the truck and found cracked intake duct which is replaced and I also cleaned the throttle body as it was a bit dirty., The bank 2 version of this code is P0430. ... The P0420 code in a Chevy Equinox will often be thrown if one of your vehicle’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0420. For most people, the first sign that anything is wrong is the service engine soon light coming on. ..., I had a broken MAF sensor trigger P0430 and P0420 codes never got the MAF sensor code though.. Have had no issues or P0420/p0430 since replacement of that.. i would buy a code reader from walmart for 50$ and see if the CATs are actually heating up they should be about 350C-700C on these V8 engines. under normal running conditions, There are only two things that clean carbon off. Acetone, or steam. In the commercial injector cleaners, one of the primary ingredients is acetone. But a $170. injector clean, at the shop, can be accomplished by adding 3oz of acetone-per 10 gallons of gas, plus the lucas injector cleaner/upper cylinder lubricant mix., I also have a K&N filter that is oiled, but that was installed after the 1st P0430 code popped up. Since the before & after O2 sensors at the cat are compared to generate that code (can not be the same reading) I'm thinking it may be a connection problem on the sensor. ... Chevrolet, Chevy, Avalanche, PRO-TEC, PASSlock, …, Dec 10, 2021 · Even slight variations in the air/fuel mixture will cause the converter temperature to rise significantly. The “Catalytic Converter Efficiency” Diagnostic Trouble Codes (DTCs) P0420 and P0430, are among the top 10 DTCs technicians face. And while the description might imply a failed converter, odds are the ultimate fault lies somewhere else. , 1996 Chevy Tahoe LT 5.7L V8 4X4 280,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin Basic mods: Lights all over, bunch of electrical work, and a couple cooling mods. 2000 Chevy K3500 LS Long Bed Crew Cab Dually 6.5L HO Detroit Diesel 230,000+ miles, Thanks all. For what it's worth, there's only 1 code that's thrown and the scanner has 3 pages that show/describe the code. The only code is P0430. The DIC will sometimes tell me to tighten gas cap, but there's no code that gets stored. But, for $6, I replaced the gas cap. Now...everyone can take that one off the potential culprit list., To add coolant to a Chevy Malibu, dilute the coolant with equal parts coolant and water, then pour the coolant-water mixture into the vehicle’s coolant reservoir. The coolant reser..., Jun 16, 2022 · This page is meant to help you troubleshoot the Chevy Silverado P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter... , The trucks and SUVs made by Chevrolet and GMC are almost identical. GMC vehicles, however, cost more than Chevrolet vehicles because General Motors markets GMC vehicles as more pro..., Conclusion. P0446 is a diagnostic trouble code (DTC) associated with a vehicle’s evaporative emissions control system. It signifies an issue in the vent control circuit in your Chevy Suburban’s EVAP system, which prevents fuel vapor from being released into the atmosphere. A prevalent issue with the Chevy Suburban is the P0446 code., My 1999 chevy silverado 1500 5.3, kept throwing the check engine light on with code P0430 bank 2 catalytic convert efficiency below threshold. No a lot of vi..., P0430 code. i have a P0430 code for several months now. i've replaced the rear O2 sensor ( both sides actually ). no change in the code. i just replaced the catalytic convertor last weekend. again, no change in the code. currently, i have a pending and a permanent code showing on the reader. the mileage and power both seem to be normal., Code Number Code Description Related Codes P0430 Catalyst System Efficiency Below Threshold (Bank 2) P0420 - Catalyst System Efficiency Below Threshold (Bank 1), Mar 25, 2009 · Mar 25, 2009. #1. Driving home tonight I got a P0430 code on my 2007 Avalanche. Sounds like something is making the bank 2 cat not perform as well as it should. The only engine related mod is a cold air intake...do you think it may have contaminated an O2 sensor or the MAF sensor? I'm open for suggestions! , Sep 11, 2018 ... P0430 Code- Keep that check engine light out · Comments148., P0430 Powertrain "Catalyst System Efficiency Below Threshold Bank 2". Few days ago I found check engine light on the truck and upon scanning with obd2 I found code is P0430. Before rushing to catalytic converter I inspect the truck and found cracked intake duct which is replaced and I also cleaned the throttle body as it was a bit dirty., Causes Code P0430 may mean that one or more of the following has happened: * The Catalytic Converter is no longer functioning properly ... 1996 Chevy Tahoe LT 5.7L V8 4X4 280,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin Basic mods: Lights all over, bunch of electrical work, and a couple cooling …, =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0430 Saving Repair Parts:C...