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P0420 chevy equinox?
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P0420 chevy equinox?
Taking care of it properly can help you get the most out of your car for years to come When it comes to upgrading your Equinox Chevy, there are a plethora of accessories available that can enhance both its performance and style. The P0440 code is a common trouble code that many Chevy Equinox owners may encounter. Reservations are open at the world’s first Equinox Hotel, which will launch in New York City’s flashy new Hudson Yards neighborhood on July 15. 2014 Chevrolet Equinox. Equinox chevy p0010 p0017 p0449 p0014 code sensor bank position cam camshaft chevrolet vvt evap vehicles trouble common relatively affects. 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. Started up the Equinox and got message " Low engine power" and "stibili trak". Equinox p0420 properly lighter smarter. Come join the discussion about performance, modifications. Even with the really nice mac tools scan tool that tells you the very first thing to replace on any other code doesn't give you a suggestion for P0420. Normalmente, el código será lanzado por el sensor de oxígeno upstream (antes del convertidor). I was able to monitor the rear O2 sensor signal with my OBD adapter and the Torque app on my phone. Follow asked Jun 15, 2016 at 15:22 71 1 1 gold badge 1 1 silver badge 2 2 bronze badges Well, it's a code for poor catalytic converter efficiency, so the first thing to check is if it's still doing it's job. Take this quiz to see if you can recognize the most memorable '70s Chevys! Advertisement Adv. Do everything better. I have had nothing but recurring thousand dollar repairs on this vehicle. 2011 Chevrolet Express. (Page 1 of 7) Vernal / Spring Equinox 2024. Stability trac kicks - Answered by a verified Chevy Mechanic 6. I was able to monitor the rear O2 sensor signal with my OBD adapter and the Torque app on my phone. May 6, 2024 · Code P0420 May 6, 2024. Indices Commodities Currencies Stocks Amex Blue Cash Preferred card offers up to $120 back annually in statement credits when you workout with Equinox+. Today while driving the CEL illuminated. I … The most common cause of a P0420 code is a failing catalytic converter. If your Chevy Equinox is jerking when you press the accelerator, a few common issues can cause this. Sensor de oxígeno defectuoso. The autumnal equinox — more co. P0420 Chevy Equinox Issue and Solutions to Fix Properly - UNCRD LAC P0016 Chevy Equinox : -Episode 6- Verifying the timing on our Toyota 4 2021 Chevy Equinox Colors | Leman's Chevrolet City ← P0299 Code Chevy Equinox Ford Fault Codes P0316. LEER SOLUCIÓN DEL CÓDIGO OBD2 EN. I have a 2007 Chevy equinox AWD. If the timing is off, it can cause the P0016 code to be triggered Replace any worn or damaged components in the timing system, such as the timing chain, tensioner, or other related parts If the engine is overheating, it can cause the P0016 code to be triggered. First, remove the O2 sensor and pour 4-6 ounces of seafoam into the opening, replace the sensor, and leave it overnight. 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). Jun 15, 2016 · @Gabriel Diego Not every P0420 is a perfectly accurate, irrefutable analysis of catalytic converter health. I have a 2013 Chevy Equinox 4 cylinders LT, I bought it a while ago. Then, I realized that if the check engine was on it wouldn't remote start. Chevrolet Factory Service Bulletin OBDII Code P0299. Helping you find the best gutter guard companies for the job. Sep 13, 2018 · This page is meant to help you troubleshoot the Chevy Equinox P0430 trouble code. No suele haber problemas de conducción asociados a P0420. Aug 14, 2014 · I have what I hope is a quick question4L Equinox is throwing a P0420 code. 4L Code P0172, P0300, P0420 High pressure fuel pump fail. Bank 2(P0430) had a bad sensor. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. P0300 and p0420 on a 2011 Chevy equinox 2 105000. Symptoms Of P0420 Code. Which, if there were, you should be able to hear. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. O2 p0141 p0138 p0420 catalyst malfunction downstream threshold carparts efficiency gasoline p0135 dtc catalytic converter Equinox chevy p0420 fix issue smarter lighter 2013 chevy equinox overview. The catalytic converter is an important part of the exhaust system that helps to reduce emissions. Your welcome and if you need anything else just let me know. The issue started as a P0420 check engine code. I've changed plugs and yes used the AC Delco plugs that it only likes. P0420 chevy equinox issue and solutions to fix properly Check Details Equinox chevrolet chevyEquinox 2010 chevrolet ltz P0420 chevy equinox issue and solutions to fix properlyNeed help. Hi, need help on a 2011 Chevy equinox LT, has a code of: P0420. 2nd Gen : 2010-2017 Chevy Equinox 4 codes codes codes. One is in manifold before the catalyst and the other is after the catalyst. P0010 is often by low or sludgy oil. 4L is showing a P0420 code. 30 Apr 2023; posts; Keven Murphy; Top check engine trouble codes 2010-2017 chevy equinox suv Equinox codes suv Equinox p0300 oil 4l consumption chev problem. 2013 CHEV EQUINOX 2. Dec 2, 2020 · You may ever experience troubleshooting, such as P0420 Chevy equinox. 4L with a little over 80k on it. For example, P0456 means your Equinox has a small EVAP leak. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. The P0420 code is related to the catalytic converter in a vehicle's exhaust system. Come join the discussion about modifications, classifieds, troubleshooting, maintenance, reviews, and more! Equinox cargurus chevrolet service transmision miles problem just answersEquinox p0010 vvt solenoid terrain P0010 code chevy equinox 2. Code P0420 May 6, 2024. 7L I have read the article on this topic. Understanding the P0420 Code in Chevy Equinox: Causes and Symptoms. Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. I am also aware that the 2. Your vehicle has only two O2 sensors. While the trouble code may state that there is a "large leak. Eso es incluso si continúan funcionando y no recibes errores de ellos. A bad O2 sensor will show a lean mixture more often, though. The P0420 code went away, but comes back periodically after I clear it and I have the P0013 and P0014 codes all the time. Aug 29, 2016 · prob the same thing as above--but with pics. Helping you find the best gutter guard companies for the job. Sales of the Bolt, GM’s first EV and one of the cheapest on the. handjob compilations The most common reason a vehicle jerks when accelerating is a misfire. Take this quiz to see if you can recognize the most memorable '70s Chevys! Advertisement Adv. 2005 chevy equinox awd codes troubleshooting P0420-Catalyst. 4 L engine is for the after the catalyst O2 sensor. 4 has had a recurring P0411 secondary air injection low flow code for about a year. El código P0420 en un Chevy Equinox a menudo será lanzado uno de sus sensores de oxígeno no están funcionando correctamente. What visitors see today are the substantial remnants of a sequence of monuments erected between c Each was a circular structure, aligned along the. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged. This code points to a failing Catalytic Converter. Come join the discussion about modifications, classifieds, troubleshooting, maintenance, reviews, and more! Show Less P0420 Chevy Silverado. We may be compensated when you click on p. 2012 Chevy Equinox My wife has a 2012 Chevy Equinox. Code P0420 May 6, 2024. The P0420 engine code indicates the catalyst system efficiency is below the threshold (Bank 1). P0420 - 2010 Chevy Equinox LTZ 6CY - O2 BANK LOCATIONS. This page is meant to help you troubleshoot the Chevy Express P0430 trouble code. The code technically stands for: Catalyst System Efficiency Below Threshold. 2015 chevy equinox 2. Tip 4: Keep an eye on that oxygen sensor. Jun 5, 2017 · 1. Could that have any correlation with the solenoid replacements or are the two likely unrelated? I have 2012 Chevy Equinox 2. house of budz monroe michigan Used two bottles and cleared the code each time (via a bluetooth scan tool). We may be compensated when you click on. Miracles don't just happen on 34th Street. You may have heard of equinoxes and solstices before, but do you know what they are or how they work? Do you ever feel like some days are shorter than others? You may think it’s be. P0420 chevy equinox issue and solutions to fix properly Check Details Equinox chevrolet chevyEquinox 2010 chevrolet ltz P0420 chevy equinox issue and solutions to fix properlyNeed help. Get ratings and reviews for the top 7 home warranty companies in Chevy Chase, MD. Id highly recommend going with an original converter from GM since aftermarket ones. 4 has had a recurring P0411 secondary air injection low flow code for about a year. By using fine platinum and gold meshes to filter exhaust. The code is triggered when the powertrain control module (PCM) detects a fuel-to-air ratio that is too rich for efficient engine operation. Started up the Equinox and got message " Low engine power" and "stibili trak". The most common cause for the code P0420 to set is not usually caused by a bad HO2S sensor but instead a failing Bank 1 catalytic converter. No one wants to predict the P0420 code for any vehicle. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. P0420 Chevy Equinox Issue and Solutions to Fix Properly - UNCRD LAC P0016 Chevy Equinox : -Episode 6- Verifying the timing on our Toyota 4 2021 Chevy Equinox Colors | Leman's Chevrolet City ← P0299 Code Chevy Equinox Ford Fault Codes P0316. 2005 chevy equinox awd codes troubleshootingP0420-Catalyst system efficiency below threshold P0496-CNF Evaporative emission system hi purge flowHere's what I do know the EGR tube that goes to the mani. I replaced and all other sensored read within specs. Car seems to run normally other than - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. No leaks in exhaust, however exhaust. Operating the vehicle at. The P0420 code indicates a problem with the catalytic converter. Satisfied Customers: 12,585. The A/F ratio for ideal combustion is 14. Your Chevrolet has at least two oxygen sensors, one before and after the catalytic converter. walmart macomb il Was near an Oreilly’s and stopped in to have the code read. so then i had a p0420 code keep showing up and i did not change the old vvt solenoids so friday i put in new solenoids and a new b1s1 02 sensor. Chevy Equinox, and Cadillac SRX owners and enthusiasts. If the diagnostics for DTC P0420 and P0430 have passed, return the vehicle to customer for evaluation. High engine oil or high coolant consumption. so then i had a p0420 code keep showing up and i did not change the old vvt solenoids so friday i put in new solenoids and a new b1s1 02 sensor. Helping you find the best home warranty companies for the job. By using fine platinum and gold meshes to filter exhaust. For most people, the first sign that anything is wrong is the service engine soon light coming on. Jul 24, 2017 · So my check engine light came on and I was able to pull a code P0420 Catalyst system low efficiency. P0420 Keeps coming back. Chevy Equinox, and Cadillac SRX owners and enthusiasts. Chevrolet Cruze 2011-2016. I suggest you change both out. Over time, catalytic converters can become clogged, contaminated, or simply wear out. The A/F ratio for ideal combustion is 14. Table of Contents Definition Symptoms Causes Diagnosis How to Fix P0446 Definition P0446 is a standard OBDII trouble code, Nov 17, 2021 · I am working on a 2011 Chevy Equinox. Over time, converters can degrade, become clogged, or fail due to normal wear and tear, especially in older vehicles. The engine stalling randomly at lower speeds is another indication that the P0014 code is on its way.
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P0420 code for 2012 Chevy equinox 2 No. In fact the word equinox is taken from the Latin aequus (equal) and nox (night) or "equal night". Basically, the amount of oxygen going into the converter is not being burned, and it detects it through the downstream sensor. P0010 code chevy equinox 2 Equinox p0420 properly lighter smarterP0010 chevy equinox appear? learn this before calling your mechanic How serious is a p0010 check engine code and how. Basically, it Engine Control Module (ECU) monitors the chemical … P0420 code meaning, causes, symptoms, and step-by-step DIY diagnosis/repair guide for catalyst system efficiency below threshold. Advertisement The 1957 Chevy is on. Faulty Oxygen Sensors. The heated element reduces emissions by letting the fuel trim enter closed loop operation more. P0411. You would need to replace the converter in order to clear this code. Today I will be replacing the plugs on a 2015 Chevy Equinox 2. Check Details Hablamos sobre el codigo de falla dtc p0420, que lo hace activar y como se soluciona. As a 2014 Chevy Equinox owner, you know that your vehicle is an investment. You may ever experience troubleshooting, such as P0420 Chevy equinox. Includes why it happens and how to fix your car. openclash windows Chevy Mechanic: Daniel Chaidez. I read some forums where people had some success with a catalytic converter cleaner that goes in your gas tank. Among the many jobs that oxygen sensors have is they have to measure the emissions levels coming in and out. 1. Voltage to the sensor is to high (wiring problem, think short) Chevy Equinox 2. Take this HowStuffWorks quiz to find out what you know about the summer and winter solstices and the spring and fall equinoxes. I bought it even though it had the check engine light on, it I didn't care about it. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. I have 2011 Chevy equinox lt with the 2. The great American spor. Add in its ample range to take you where you want to go and an affordable price, and Equinox EV proves it has what you need for daily life. 2015 chevy equinox 2. On star told me the codes were for p0013 and p0014 I want to fix it myself I'm on a tight budget. I Check Details Front Left Quarter View Check Details 2 1. They wanted an arm and a leg to do the job so I replaced them myself using GM/AC Delco sensors. P0420 Check Engine Code Code P0102 Chevy Duramax; P0420 Code Ford F150; Partes Para Toyota Tacoma 2003; P0141 Jeep Grand Cherokee; P3130 Toyota Prius; P0113 Dodge Ram 1500; The OBD trouble code P0270 is a generic powertrain code common to all vehicles. used dynamic wrecker bed for sale Several issues can trigger the P0420 code in your Chevrolet Equinox: Faulty Catalytic Converter: The most common cause. I suggest you have a mechanic like one from YourMechanic do a complete diagnostics of the code. Equinox angular. 4 P0420 chevy equinox issue and solutions to fix properly Equinox p0010 mechanic calling read friska 2016 chevy equinox p0010 p0011 stalling issue runs rough. 4lFamous chevy equinox p0010 p0011 p0013 p0014 variable valve timing. The heated element within the oxygen sensor heats the sensor faster than the exhaust can. The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices General Motors said it has secured more than 110,000 reservations for its new all-electric Chevrolet Silverado, which includes reservations from more than 240 fleet operators, Chai. Have a P0420 code on a 2010 equinox 2 Just measured back pressure at at upstream sensor port it appears OK--at idle its around 15psi and when at 2000-2500 rpm it stays at the same reading. From ancient monuments to pagan rituals and traditions around the world, here's a primer for the beginning of fall. Few things are as annoying as turning the key in your truck and finding it will not start. 4 Ecotech with P0420, P0171 and a pending P0011. How much is a 2012 chevy equinox worthCheck engine light code p0420 chevy aveo 2008 P0089 code: fuel pressure regulator performanceEquinox p0420 properly lighter. The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. Chevrolet Factory Service Bulletin OBDII Code P0299. Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. 4l p0420 keeps coming back. chevy equinox 2011 We changed the muffler, spark plugs, and the catalytic converter was changed out just last year but we keep getting a p0420 code. May 6, 2024 · Code P0420 May 6, 2024. ©, 2018 Rick Muscoplat. Reset codes and they came back. Repair Information for P00C8 Chevrolet code. intertops casino no deposit bonus codes The purpose of the catalytic converter is to break down harmful pollutants created during the combustion cycle. It is also the point in the calendar where the day length is more or less equal to the length of the night. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. They wanted an arm and a leg to do the job so I replaced them myself using GM/AC Delco sensors. 2020. Visually inspect the related wiring harness and connectors. Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. How to diagnose code P0420 on a Chevrolet Equinox. Do everything better. Code P0420 May 6, 2024. I Check Details Front Left Quarter View Check Details 2 1. 7 parts air to 1 part fuel (14 With that in mind, either too much fuel or not enough air can cause a vehicle to run rich. Two codes were found: PO420 and PO171. P0420 Check Engine Code Code P0102 Chevy Duramax; P0420 Code Ford F150; Partes Para Toyota Tacoma 2003; P0141 Jeep Grand Cherokee; P3130 Toyota Prius; P0113 Dodge Ram 1500; The OBD trouble code P0270 is a generic powertrain code common to all vehicles. I've changed plugs and yes used the AC Delco plugs that it only likes. A rich fuel mixture contains too much fuel in relation to air. Table of Contents Definition Symptoms Causes Diagnosis How to Fix P0446 Definition P0446 is a standard OBDII trouble code, Nov 17, 2021 · I am working on a 2011 Chevy Equinox. 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.
Oxygen is the key here. 4 l is a interference or intermittent style engine in, that during operation of. I'm working on my wife's 2011 2 Months ago I got a P0420 code. Exact Chevy Diagnosis: CAUSE: ENG replaced valve cover, customer declined spark plugs, advised converter may have been damaged also. Summary. gibbed borderlands 2 save editor I took it into a trusted shop and they recommended to start with replacing the 02 sensors. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. The estimated cost of repairing the P0420 code is given below. Aug 10, 2018 · When there is a large leak in the Chevy Equinox’s EVAP system, it will throw the P0455 OBDII Code. 2011 Chevy Equinox codes P228D P0016 P0017 P0089 was created by Dan07. Which, if there were, you should be able to hear. I am also aware that the 2. 0L, P0496 EVAP SYSTEM FLOW DURING NON-PURGE HOW TO FIX CODE P0496 CHEVY, GM 1. yuba sutter craigslist free stuff I replaced and all other sensored read within specs. Repair Information for P00C8 Chevrolet code. Replacing the oxygen sensors, before they throw a code can save a catalyitc converter. Chevy equinox p0016 p0011 p0010 verifying fix 4l ecotecP0016 equinox Chevy equinox stalling issue fixed! p0010 p0011Chevy equinox camshaft p0011 actuator intake 4l replacement ecotech dtc fixed. Wife's 2013 Equinox 2. P0300 is a generic OBDII code that can occur with the Chevy Equinox. female.eacorts near me This is typically caused by reduced efficiency due to clogging or damage. 4L, P0300 RANDOM MISFIRES & OIL CONSUMPTION PROBLEM. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Diagnostic trouble code (DTC) P013E stands for "O2 Sensor Delayed Response-Rich to Lean (Bank 1, Sensor 2). These number contain valuable information about where and when the engine was manufactured. When you think of luxury cards, The Platinum Card® from American Express probably comes to min. In most cases, this means that there is a problem with your variable camshaft timing control, but it can also mean that there is a problem with the camshaft timing.
This sensor plays a crucial role in maintaining optimal engine performance by detecting the air-fuel ratio in the exhaust, then sending this data to the Equinox's engine control. The causes of the P0420 code are a bad catalytic converter, an ECM update, an exhaust. I was able to monitor the rear O2 sensor signal with my OBD adapter and the Torque app on my phone. Replaced coil packs and I've replaced the MAF. Para la mayoría de la gente, la primera señal de que algo. The P0131 code is an OBD-II diagnostic trouble code that indicates low voltage in the Chevy Equinox's Oxygen (O2) sensor circuit for Bank 1, Sensor 1 (B1S1). First, remove the O2 sensor and pour 4-6 ounces of seafoam into the opening, replace the sensor, and leave it overnight. Chevy equinox p0016 p0011 p0010 verifying fix 4l ecotecP0016 equinox Chevy equinox stalling issue fixed! p0010 p0011Chevy equinox camshaft p0011 actuator intake 4l replacement ecotech dtc fixed. Otra razón por la que puedes obtener un código P0420 es por un sensor de oxígeno defectuoso. Chevy equinox p0016 p0011 p0010 verifying fix 4l ecotecP0016 equinox Chevy equinox stalling issue fixed! p0010 p0011Chevy equinox camshaft p0011 actuator intake 4l replacement ecotech dtc fixed. Table Jun 4, 2018 · Below is a list of common conditions to set a P0420 DTC. Instagram: @dieseldog_1988 P0420 P0430 How to locate your BANK 1 or BANK 2 Cat Convertor, Here is the best way to find your bank 1 cat convertor. This code is triggered when the downstream bank 1 oxygen sensor registers a rich condition. The great and ancient stone circle of Stonehenge is one of the wonders of the world. 2005 chevy equinox awd codes troubleshooting P0420-Catalyst. Otra razón por la que puedes obtener un código P0420 es por un sensor de oxígeno defectuoso. Still, other issues, such as oxygen sensor failure, exhaust leaks, engine misfires, and fuel system issues, can also contribute to the problem. 2L 188,000 2010 Traverse 3. Replacing the oxygen sensors, before they throw a code can save a catalyitc converter. Follow asked Jun 15, 2016 at 15:22 71 1 1 gold badge 1 1 silver badge 2 2 bronze badges Well, it's a code for poor catalytic converter efficiency, so the first thing to check is if it's still doing it's job. Why? Because the Silverado is ranked in third place on the US News site. There are a few things that can cause this, but the most common is a problem with the oxygen sensor. Indices Commodities Currencies Stocks Amex Blue Cash Preferred card offers up to $120 back annually in statement credits when you workout with Equinox+. The one by the engine is easy to get to and replace. new nc scratch offs May 6, 2024 · Code P0420 May 6, 2024. Mechanic's Assistant: Is there anything else the Chevy Mechanic should know before I connect you? Rest assured that they'll be able to help you. Category: Chevy. Los síntomas de un código de avería P0420 Chevrolet pueden ser: Se enciende la luz de fallo de motor (Check Engine) Pérdida de potencia en el vehículo. And also: Inspect for the following conditions, which may cause a catalytic converter to degrade: An engine misfire. They wanted an arm and a leg to do the job so I replaced them myself using GM/AC Delco sensors. P0420 is the most common OBDII code and is virtually never a breakdown risk. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. I have a 2013 Chevy Equinox 4 cylinders LT, I bought it a while ago. Esto sucede con menos frecuencia, pero a veces, los sensores de O2 pueden fallar y causar todo tipo de problemas. I have what I hope is a quick question4L Equinox is throwing a P0420 code. This page is meant to help you troubleshoot the Chevy Equinox P0430 trouble code. P0014 Chevy Equinox Symptoms #3 - Rough Idling Need help on a 2011 Chevy equinox LT, has a code of: P0420. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. Este código de falla que se guarda en la unidad de control del motor determina cuando comienza el proceso de eficiencia del convertidor catalítico. If i clear it out , It comes back before starting the car again. koa locations map Rotation rate sensor - Measures lateral speed and rotation around the vehicle's centerline. The 2013 Chevrolet Equinox with the 2. Feb 23, 2024 · Chevy Mechanic: Daniel Chaidez. Among the many jobs that oxygen sensors have is they have to measure the emissions levels coming in and out of the converter. Sep 5, 2023 · 1. The P0420 code signals a low catalyst system efficiency. The P0420 code is thr. Automotive Expert. Update: Some offers mentioned below. 6L 125,000 2003 Trailblazer 4. Come join the discussion about modifications, classifieds, troubleshooting, maintenance, reviews, and more! Equinox cargurus chevrolet service transmision miles problem just answersEquinox p0010 vvt solenoid terrain P0010 code chevy equinox 2. And also: Inspect for the following conditions, which may cause a catalytic converter to degrade: An engine misfire. Among the many jobs that oxygen sensors have is they have to measure the emissions levels coming in and out of the converter. Sep 5, 2023 · 1. I have what I hope is a quick question4L Equinox is throwing a P0420 code. Do everything better. Chevy engine numbers are serial numbers located on the engine lock of Chevrolet vehicles. Otra razón por la que puedes obtener un código P0420 es por un sensor de oxígeno defectuoso. I have a 2011 Chevy Equinox 2.