P0420 chevrolet equinox - If your Chevy Equinox is showing the dreaded P0420 code, it’s important to consider seeking professional help to resolve the issue. While some car enthusiasts may attempt to troubleshoot and fix the problem themselves, it’s crucial to understand when the expertise of a professional is necessary for a more effective and long-lasting solution.

 
Chevrolet P0420 OBDII Code Defined. P0420 is an OBDII trouble code. The code technically stands for: Catalyst System Efficiency Below Threshold. Your Chevrolet has at least two oxygen sensors, one before and after the catalytic converter. Among the many jobs that oxygen sensors have is they have to measure the emissions levels …. Bellingham death notices

2013 chevy equinox p0011 code P0420 chevy equinox issue and solutions to fix properly Equinox chevy p0010 p0449 p0017 p0014 code sensor bank position cam camshaft chevrolet vvt vehicles trouble common evap variable affects. 2011 Chevy Equinox P0011 and Engine tick - YouTube.If your Chevy Equinox is showing the dreaded P0420 code, it’s important to consider seeking professional help to resolve the issue. While some car enthusiasts may attempt to troubleshoot and fix the problem themselves, it’s crucial to understand when the expertise of a professional is necessary for a more effective and long-lasting solution.Diagnostic trouble code (DTC) P013E stands for “O2 Sensor Delayed Response–Rich to Lean (Bank 1, Sensor 2).” The code is logged when the powertrain control module (PCM) perceives a delay in response from the downstream oxygen (O2) sensor located in bank 1. Cost to Drive Cost to drive estimates for the 2020 Chevrolet Equinox L 4dr SUV (1.5L 4cyl Turbo 6A) and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% ... 2010 Chevy Equinox 2.4 Ecotech with P0420, P0171 and a pending P0011. Has around 148k miles. Has new plugs, both O2 sensors, new cats, new gaskets on both intake and exhaust manifold. Checked all vac … read moreThe P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. The engine control module (ECM) uses two O2 sensors, one in front, and one behind ...In this video I bring you along as I have a look at a customers Chevy equinox with the classic P0010 Intake cam position solenoid control circuit. It is a ve...17 May 2019 ... 2013 Chevy equinox 2.4 cracked manifold po420.meineke cinnaminson. 12K views · 4 years ago ...more. Anthony Nastasi. 19.6K.I have a 2011 1.4L Eco MT, and used to have a P0420 code. Despite many threads saying otherwise, P0420 does not always indicate a bad catalytic converter. I wanted to discuss the diagnostic process I used and give hope to any Cruze owner with a recurring P0420 code. To diagnose, I used a cheap amazon smoke machine (~$180) …Usually, when you have a code P0420, the check engine light will come on, and your vehicle may remain completely drivable. However, these symptoms may also appear: Loss of power, even after warming your vehicle up. Slow acceleration or inability to increase speed over 30-40mph. Sulfurous smell from the exhaust pipe.In this video I bring you along as I have a look at a customers Chevy equinox with the classic P0010 Intake cam position solenoid control circuit. It is a ve...Multiple codes, diagnosis in different directions, sad ending.30 Apr 2020 ... Se tiene que revisar el sensor de oxígeno del catalizador y el funcionamiento del catalizador que si respondan a las pruebas , si responden ...If you are a car owner, it is likely that you have encountered the dreaded check engine light at some point. One of the most common trouble codes that many drivers come across is c...If your Chevy Equinox is showing the dreaded P0420 code, it’s important to consider seeking professional help to resolve the issue. While some car enthusiasts may attempt to troubleshoot and fix the problem themselves, it’s crucial to understand when the expertise of a professional is necessary for a more effective and long-lasting solution.Equinox sensor chevy o2 removal 2013 chevy equinox o2 sensor removal. P0420 chevy code gmc chevrolet buick engine light. What causes code p0420 engine light chevrolet, chevy, gmc, buick. Image2 jpeg chevy .. 2013 CHEV EQUINOX 2.4L, P0300 RANDOM MISFIRES & OIL CONSUMPTION PROBLEM.The code P0420 for your 2.4 L engine is for the after the catalyst O2 sensor. Your vehicle has only two O2 sensors. One is in manifold before the catalyst and the other is after the catalyst. The code can be from a defective sensor or catalytic convertor. The system should have further tests done to make sure the correct part is replaced before ...2012 Chevy equinox 2.4L at about 135K miles threw a fan belt about 6 months ago on a road trip. Limped it to a dealership for fanbelt replacement and they said the timing chain was making a lot of noise and need replaced too. So I got it back home and had a shop do the timing chain with new tensioners and guide vanes as well as new water pump.P0420 Chevy Equinox engine code is caused by a malfunctioning catalytic converter. This system breaks down harmful pollutants and makes the vehicle run …Clear the code and test drive the vehicle. See if the P0014 code returns. If it does, replace the exhaust camshaft solenoid actuator. Clear the code. Test drive the vehicle. If the code returns, the timing chain needs to be replaced. The only way to get rid of the P0420 code is to replace the catalytic converter. Ask Your Own Chevy Question.24 Sept 2019 ... converter: https://amzn.to/39lz3Be P0420 Check engine light how to fix it yourself. This car is a 2009 Chevy Malibu but the code and problem ...Feb 7, 2019 · P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Equinox. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138. P0135 is a very common OBDII code that occurs in the Chevy Equinox. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1. The purpose of the heated element in the oxygen …P0411 is a general OBDII trouble code, which means that it has the same meaning for the Chevy Equinox as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect Flow DetectedFixing P0128 in the Chevy Equinox is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...2019 GMC Acadia SLT-1 3.6L LGX V6 - Build Date: 4-11-2019 - Bought 6-22-2019 SOLD - - 2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015 *You may ever experience troubleshooting, such as P0420 Chevy equinox. It happens after your car is connected to the scanner. The code appears to indicate there is an issue related to catalyst system efficiency. Based on this result, it seems your issue comes from the catalytic converter. It is capable to scrub pollution, so the emission is free ...2010-2012Buick Lacrosse 2.4L engine 2011 Buick Regal 2.4L engine 2012-2017 Buick Verano 2.4L engine 2012-2016 Chevrolet Captiva 2.4L engine 2010-2017Chevrolet Equinox 2.4L engine 2010-2017 GMC Terrain 2.4L engine ©, 2020 Rick Muscoplat. Posted on July 20, 2020 by Rick MuscoplatThe repair cost of the P0420 code varies according to relevant part repair, vehicle model, and labor cost. If the P0420 code is triggered due to a faulty catalytic converter, your mechanic may cost from $480 to $1610 to fix it. The estimated cost of repairing the P0420 code is given below. Este es un componente vital para disminuir el impacto ambiental. El convertidor posee un monitor, el cual permite medir la eficacia de este. El código P0420 es común en: Acura RSX, Chevrolet Aveo, Chevrolet Corsa, Chevrolet Cruze, Chevrolet Montana, Chevrolet Sonic, Ford Explorer, Ford Focus, Honda Fit, Nissan Altima, Nissan March, Nissan ... As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (it 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 replaced to ...In this video I walk you through all the steps of replacing the catalytic converter on a 2011 Chevy Equinox. The same procedure can be used for various years...Technicians may encounter a concern where the catalytic converter has come apart or has set a P0420 and/or P0430. ... 2013 Equinox 3.6L 121,000 2003 Trailblazer 4.2L 188,000 2010 Traverse 3.6L 193,000. ... A forum community dedicated to Chevy Traverse owners and enthusiasts. Come join the discussion about performance, …2012 Chevrolet Equinox 135,000miles. 2.4L. P0420 Keeps coming back. I have an up to date snap scanner and can read any information needed. I need to troubleshoot to find the problem. I am looking for someone that has done this before. Answered in 6 minutes by: The price of the 2020 Chevrolet Equinox starts at $24,995 and goes up to $32,595 depending on the trim and options. The midrange Equinox LT is the best value in its class—so long as you're ... There are many potential causes of code P0014. Some are easy to check and correct yourself, such as old engine oil, or not having enough oil in the engine. Other causes are more complicated, such as malfunctioning components in the variable valve timing system itself. Engine oil is dirty. Engine oil is too low. Engine oil is incorrect viscosity.P0300 is a generic OBDII code that can occur with the Chevy Equinox. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire ...2012 Chevy equinox 2.4L at about 135K miles threw a fan belt about 6 months ago on a road trip. Limped it to a dealership for fanbelt replacement and they said the timing chain was making a lot of noise and need replaced too. So I got it back home and had a shop do the timing chain with new tensioners and guide vanes as well as new water pump.2016 Equinox setting a P0172. High Pressure pump leak... Great example of a time that multiple SI resources would have helped determine vehicle problem faster. 2016 Equinox setting a P0172. High ...The bank 1 version of this code is P0420. Chevy Equinox P0430: Symptoms. The P0430 code in a Chevy Equinox will often be thrown if one of your …Detailed information on the P0420 dtc trouble code. Includes why it happens and how to fix your car. Trouble Code - P0420 Catalyst System Efficiency Below Threshold (Bank 1) ... I have 2003 Chevy avalanche with P0420 code and the motor is running rough shouod I change the rear o2 sensor or the cat #276 - Andrew swanson - 10/14/2012 - 15:52.P0411 is a general OBDII trouble code, which means that it has the same meaning for the Chevy Equinox as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect Flow DetectedRelated: P0420 Chevy Equinox Chevy Equinox P0496 Symptoms P0496 code in the Chevy Equinox will often be accompanied by an. One of the most common trouble codes with the Chevy Equinox is the P0496 code. This code number references a number that is given to you when you plug your Equinox into an OBDII scanner. …When the Chevy Equinox displays a p0420 fault code, this indicates a bad oxygen sensor. Replacing the responsible oxygen sensor will usually make this code go …2. Sensor de oxígeno defectuoso. Otra razón por la que puedes obtener un código P0420 es por un sensor de oxígeno defectuoso. Esto sucede con menos frecuencia, pero a veces, los sensores de O2 pueden fallar y causar todo tipo de problemas. Eso es incluso si continúan funcionando y no recibes errores de ellos.Here's how to modify your car's oxygen sensor to get rid of a P0420 OBDII code, clear the check engine light and pass an emissions test.The P0420 code is thr...Related: P0420 Chevy Equinox Chevy Equinox P0496 Symptoms P0496 code in the Chevy Equinox will often be accompanied by an. One of the most common trouble codes with the Chevy Equinox is the P0496 code. This code number references a number that is given to you when you plug your Equinox into an OBDII scanner. …I have a 2011 1.4L Eco MT, and used to have a P0420 code. Despite many threads saying otherwise, P0420 does not always indicate a bad catalytic converter. I wanted to discuss the diagnostic process I used and give hope to any Cruze owner with a recurring P0420 code. To diagnose, I used a cheap amazon smoke machine (~$180) …The Chevrolet Lumina was a value-priced family sedan, but it was outsold by its midsize competition. Learn more about the Chevrolet Lumina. Advertisement The Chevrolet Lumina wasn'...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...May 1, 2017 · Anyway, Ltft at idlle on Bank 1 is negative 23%. P0172 or P0175. Allow the engine to reach operating temperature. With the engine running, observe the affected Long Term FT parameter with a scan tool. The value should be more than approximately -20 % with the engine running at operating temperature. 2011 Equinox 2.4L P0420 DIY Cat replacement. 2011 Equinox 2.4L is throwing code P0420 repeatedly. Runs fine and no other codes. New o2 sensors. Has 185,000 miles on it and now on engine #3 so its time to replace. Those engines have burned a lot of oil as we all know and i'm sure the cat is coked up with junk. I see a Chevy TSB out there for an ...Feb 23, 2022. #1. Wife's 2013 Equinox 2.4 has had a recurring P0411 secondary air injection low flow code for about a year. Googling turns up that this is yet another delightful feature of the Ecotec 2.4, with a variety of causes. So far I've determined the electric air pump runs, because I can hear it. The condensation and ice that are known ...When there is a large leak in the Chevy Equinox’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your Equinox has a small EVAP leak. While the trouble code may state that there is a “large leak ...P0030 Chevrolet Code - HO2S Heater Control Circuit Bank 1 Sensor 1 - Code Popularity: 81,496 Views - Repair Importance Level: 2/3 - Repair Difficulty Level: 2/3. Table of contents. Created and updated by William Orellana on Mar 23, 2024. Possible Causes; Tech Notes;Error Code P0411 ?!?! WHAT DO I DO?? Here's a few quick checks for the Secondary Air Injection pumps.9 Jul 2020 ... Catalytic converters don't last forever. In this video, we diagnose a P0420 on a Toyota Camry with over 330000 miles! Enjoy!Aug 23, 2018 · October 25, 2022 by Jason. P0010 is a relatively common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Chevy Equinox can have VVT and is prone to developing this code. P0010 is often by low or sludgy oil. Check your Equinox’s oil as soon as possible. P0010 is a generic OBDII code. P0420 Chevy Silverado. Symptoms Of P0420 Code. The P0420 code is related to the catalytic converter in a vehicle’s exhaust system. This code indicates a problem with the efficiency of the catalytic converter, which is typically caused by a faulty oxygen sensor or a problem with the converter itself. ... 2011 Chevy Equinox Oil: …P0420 Permanent Code is the ECU saying the "second" O2 sensor(s) after your first catalytic converter(s) are not sending the signals the computer expects in relation to the signals the first O2 sensor(s) located in the exhaust manifold, are sending.Mar 29, 2022 · Multiple codes, diagnosis in different directions, sad ending. 30 Apr 2020 ... Se tiene que revisar el sensor de oxígeno del catalizador y el funcionamiento del catalizador que si respondan a las pruebas , si responden ...When there is a large leak in the Chevy Equinox’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your Equinox has a small EVAP leak. While the trouble code may state that there is a “large leak ...2011 Equinox 2.4L is throwing code P0420 repeatedly. Runs fine and no other codes. New o2 sensors. Has 185,000 miles on it and now on engine #3 so its time to replace. Those engines have burned a lot of oil as we all know and i'm sure the cat is coked up with junk. I see a Chevy TSB out there for an extended warranty referencing the front ...P0420, P0430, p1351 on 97 Chevy Silverado 5.7L I have read the article on this topic. I drive a 97 Chevy Silverado, 2WD 5.7L 205k miles. I replaced the coolant temp sensor, and checked O2 sensors. Bank 2(P0430) had a bad sensor. I replaced and all other sensored read within specs. Reset codes and they came back. I find it hard to believe both ca...But if you’re experienced with vehicle repairs, you can opt to do the job yourself. Make sure you refer to vehicle-specific repair information before you get started. Repair manuals like those from Chilton or a subscription to an online repair database like ALLDATA DIY can give you information on the correct diagnostic and repair procedure …2013 Chevy Equinox - 86k miles - 4 cylinder - otherwise in good shape. Started burning oil last year - realized it and started making sure it was topped off - but now the P0420 code has popped up. took it to a shop who gave me a quote between 1600 and 1800 depending on the part used to replace the front CC which is a ****ton of extra work.30 Apr 2020 ... Se tiene que revisar el sensor de oxígeno del catalizador y el funcionamiento del catalizador que si respondan a las pruebas , si responden ...Chevrolet P0420 Trouble Code. The Chevy Cobalt, Malibu, Equinox, and Silverado pickups are prone to P0420. On these vehicles, trouble accelerating and reduced MPG accompany the code. Upstream oxygen sensors need frequent replacement. Eventually, the cat also requires replacement after 5-7 years of use.P0300 and p0420 on a 2011 Chevy equinox 2.4L LS. 105000. Plugs, coils, crank sensor and both o2s have been replaced and - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.2011 Equinox 2.4L is throwing code P0420 repeatedly. Runs fine and no other codes. New o2 sensors. Has 185,000 miles on it and now on engine #3 so its time to replace. Those engines have burned a lot of oil as we all know and i'm sure the cat is coked up with junk. I see a Chevy TSB out there for an extended warranty referencing the front ...2011 Equinox 2.4L is throwing code P0420 repeatedly. Runs fine and no other codes. New o2 sensors. Has 185,000 miles on it and now on engine #3 so its time to replace. Those …Código P0420: significado, síntomas, causas (soluciones fáciles) Entre las causas, la más frecuente del código P0420 es por un convertidor catalítico averiado. Igualmente puede deberse por un sensor O2 en mal estado, una fuga de escape, fuga de admisión o ubicación errónea del convertidor catalítico. Otra causa, sería un convertidor ...WHAT CAUSES CODE P0420 ENGINE LIGHT CHEVROLET, CHEVY, GMC, BUICK, CADILLAC Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store for the to...2011 Equinox 2.4L is throwing code P0420 repeatedly. Runs fine and no other codes. New o2 sensors. Has 185,000 miles on it and now on engine #3 so its time to replace. Those …As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (it 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 replaced to ...=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P2097 Saving Repair Parts...Thank you. A job like this to replace the catalytic converter on this vehicle can run anywhere from $800 to approximately $1200 depending on the shops labor rate and where they get the part from. You can get a cheaper aftermarket converter for the vehicle but I would strongly recommend against it.Fix code p0420 on chevrolet cruze, chevy sonic catalyst system P0017 equinox chevy bookmark reply Equinox cargurus problems Cargurus equinox chevrolet engine removal answers Chevrolet equinox questionsEquinox p0411 hose cause causing ajar circled slid cartalk Chevrolet equinox questions2015 chevy equinox 2.4 p0017 – …P0420 - 2010 Chevy Equinox LTZ 6CY - O2 BANK LOCATIONS. I am getting a P0420 - Catalyst System Efficiency Below Threshold (Bank 1). The 2010 6CY has two converters that come off the engine. One on the back of the engine towards the rear of the car and one on the front of the engine that comes off the front of the car.Jun 20, 2022 · As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (it 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 replaced to ... The drive belt on your Chevrolet Prizm is a single, continuous belt that works its way through a number of pulleys that drive the alternator, the air conditioning pump and other co...Related: P0420 Chevy Equinox Chevy Equinox P0496 Symptoms P0496 code in the Chevy Equinox will often be accompanied by an. One of the most common trouble codes with the Chevy Equinox is the P0496 code. This code number references a number that is given to you when you plug your Equinox into an OBDII scanner. …The battery in a 2015 Chevrolet Equinox is on the right side of the engine compartment, in front of the fuse block and under the vehicle’s main computer unit. For convenience, remo...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...We have a 2010 Equinox 3.0 with ~65,000miles on it. Recently the CEL came on so I had the codes checked and was told it's a P0017 (CKP/CMP timing misalignment-ECM detected the crank sensor is not aligned with the cam sensor.) and a P0420 (Catalyst efficiency low-bank 1.) Was also told the P0017 probably caused the …

How to fix you emissions p0420 code for cheap, easy, fast. Watch this video and learn how to turn off you cars check engine in under 10 minutes with parts av.... Baptist health mychart ky

p0420 chevrolet equinox

OBD II fault code P0420 is a generic code that is defined as “Catalyst System Efficiency Below Threshold (Bank 1)”, and is set when the PCM (Powertrain Control Module) detects a condition that indicates that the catalytic converter on Bank 1 is operating below the minimum allowable efficiency threshold. Note that on engines with two banks ...2005 Chevy Equinox w/ code P0420 scanned at Autozone.. 78,000miles.. AWD.. Any suggestions to fix this Catalyst System Efficiency Below Threshold problem! ...Jay Safford. Automotive Mechanic. 16 years of experience. The code P0420 can be caused by the catalyst, O2 sensors before and after the catalyst. If both O2 sensors and catalyst was replaced then you may have an exhaust leak at the manifold or pipes. I suggest you have a mechanic like one from YourMechanic do a complete diagnostics of …Chevy Equinox P0420: Meaning, Causes, + How to Fix. This page is meant to help you troubleshoot the Chevy Equinox P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk.This page is meant to help you troubleshoot the Chevy Suburban P0420 trouble code. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. …3 Answers. Sorted by: 2. P0420 is probably the most common code seen. It refers to "Catalytic Converter Efficiency" Basically, it Engine Control Module (ECU) …1378 posts · Joined 2014. #3 · Feb 18, 2021. P0420 is often the sign of a failed cat. Since the O2 sensors have been replaced this is much more likely. Since you also have a P0299, this is likely the cause of the failed cat. You need to determine what caused the P0299, could be an air leak, turbo problems. Read the vehicle Owner’s Manual for more important feature limitations and information. 2025 EQUINOX MODELS. ACTIV. Starting at: $33,000†. As Shown: $33,000†. Includes all LT features plus: Unique ACTIV grille and front fascia. Black badging and emblems. Roof rails. 2016 Equinox setting a P0172. High Pressure pump leak... Great example of a time that multiple SI resources would have helped determine vehicle problem faster. 2016 Equinox setting a P0172. High ...2011 Chevy Equinox Ls Automatic 2.4 180,000 miles. P0420. what are the cheaper options before replacing whole catalytic converter. Please help! What should I do first and which brands are better? I recently bought the car at a used dealership. What are your options and thoughts on my problem.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.2012 Chevrolet Equinox 135,000miles. 2.4L. P0420 Keeps coming back. I have an up to date snap scanner and can read any information needed. I need to troubleshoot to find the problem. I am looking for someone that has done this before. Answered in 6 minutes by:Here's how to modify your car's oxygen sensor to get rid of a P0420 OBDII code, clear the check engine light and pass an emissions test.The P0420 code is thr...Code P0420 Description. The Engine Control Module (ECM) uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air-fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst information to the ECM.The drive belt on your Chevrolet Prizm is a single, continuous belt that works its way through a number of pulleys that drive the alternator, the air conditioning pump and other co...2010 Chevy Equinox 2.4 Ecotech with P0420, P0171 and a pending P0011. Has around 148k miles. Has new plugs, both O2 sensors, new cats, new gaskets on both intake and exhaust manifold. Checked all vac … read moreLooking for some help with my 2010 Chevrolet Equinox V6. It’s throwing 3 codes: P0420, P0430 and P0496. I believe P0420 and P0430 can be catalytic converter issues and P0496 can be a faulty purge valve. I’m wondering if any of these codes are related and could cause the other codes?Code Definition. P0420 – Catalyst System Efficiency Below Threshold (Bank 1) What Causes A P0420 Code? The most common cause of the P0420 code is a faulty catalytic converter. It can also be caused …Here's how to modify your car's oxygen sensor to get rid of a P0420 OBDII code, clear the check engine light and pass an emissions test.The P0420 code is thr...6.4K views 1 year ago SEATTLE. Diagnosing the error code P0420 on a Chevy Equinox (2011) Code P0420 indicates that the catalytic converter is not ….

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