Your Soul will likely throw P0420 or the P0430 code. To diagnose a downstream O2 sensor failure, you can use an OBD2 scanner to check for diagnostic trouble codes related to the sensor. Upstream O2 Sensor Failure. Your Kia Soul’s upstream O2 sensor(s), also known as the pre-catalytic converter sensor, measures the air-to-fuel ratio in your ...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 ...Kia Soul Stalling Problem Causes. Here are some of the issues that cause the Soul to stall out. Remember, a vehicle needs air, fuel, and spark to run. It needs them in the right quantities and intervals, or it won't run right. Fuel. Fuel issues are one of the most common reasons that a vehicle would stall out, that includes your Kia Soul.This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Although generic, the specific repair steps may vary depending on make/model. The OBD II trouble code P0272 is described as a cylinder number 4 contribution/balance. In essence, this code is stating that the number four ...The 2013 Kia Soul comes in 3 configurations costing $14,400 to $19,900. See what power, features, and amenities you'll get for the money. Opens website in a new tabPotential short squeeze plays gained steam in 2021 and have continued through 2022 with new traders looking for the next huge move. High short in... Potential short squeeze plays ...Couple weeks ago got the P0420 and I changed spark plugs, air filter, pcv, and both o2 sensors. Hoping it would fix the issue. Yesterday I caved in and bought a new catalytic converter and installed it. It was running a little rough right after but I assumed it was a relearn. ... Kia Soul: Spark Plug Description - Ignition System - Engine ...My car tripped engine check with the P0420 code. I tried a catalytic converter cleaner which should be poured into the gas tank. ... Come discuss the Kia Sorento, Rio, Sportage, Soul and more! Show Less . ... 2011 - 2013 (XM) Sorento Forum 2016 - 2020 Sorento Forum 2003-2010 Sorento Forum 3G 2011 - 2016 Sportage Kia Cee'd Forum. Top ...P0420 Diagnosis: Kia Rio. The most common fix for P0420 in the Kia Rio is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Rio into an exhaust shop for an (expensive) new catalytic converter, let's ensure that's what you need. Here's a good P0420 diagnostic order for the Kia Rio: 1. Check for Other Codes.Two companies are denying coverage for these Kia and Hyundai vehicles because they're so easily hot-wired. Car insurance companies don’t take unnecessary risks—and now, for State F...Kia revealed Tuesday the next EV in its portfolio, a three-row flagship SUV called the EV9 that is packed with tech and a key product in the company's mission to reach annual sales...P0420, lacks power 2014 Kia Soul, Fouling spark plugs, Was replaced under recall about 50k miles ago, Vehicle has an - Answered by a verified Auto Mechanic. We use cookies to give you the best possible experience on our website.1.6L, 4-cylinder, aluminum block and head. 2.0L, 4-cylinder, aluminum block and head. 2.0L, 4-cylinder, aluminum block and head. Valve System. Dual Continuously Variable Valve Timing (CVVT) Dual Continuously Variable Valve Timing (CVVT) Dual Continuously Variable Valve Timing (CVVT) Displacement (cc) 1,591 cc.P0014 is a relatively common trouble code for vehicles that have Variable Valve Timing (VVT). This includes the Kia Soul. VVT adjusts the position of the camshaft (s) to maximize the combustion efficiency of the motor. P0014 means that the camshaft position is too far advanced from where it should be in relation to normal operating.P0441 is one of the more common OBD II codes that can occur in the Kia Soul . It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to the evaporative emissions control system (EVAP) and should not be ...Mar 18, 2024 · P0420 code. I have a 2016 Kia Soul 1.6L, we have had a run around with Kia over these codes. We first had the Knock Sensor put in and after that the engine light would come on and off from time to time. We contacted the Kia dealer we purchased it from and spoke with the maintenance dept manager. He said that when the seasons change that it ...Kia Soul Forum 2014 Kia soul base model Cat converter ... Kia dealer , Code P0420 . This had been an intermittent problem ,Check engine Light on for 1 day then out , then back on ,off for 3 days .Now on full time and if I have code erased it will come on in 3 to 4 hours drive time . ... 2011 - 2013 (XM) ...Until now. I have a 2012 Soul+ Automatic (KNDJT2A63C7427727) with ~38500 miles that I got new. And a few weeks ago I got a Check Engine Light; off now, not reset. Took it to O'reillys to get the code read and I was told it was code p2096. I have an appointment soon with Kia but wanted to know more about what may possibly be going on before hand.www.kia.com or mail your receipts with the attached Request for Reimbursement Form directly to Kia for review and consideration: Consumer Assistance Center . Kia Motors America, Inc . P.O. Box 52410 . Irvine, CA 92619-2410 . 1-800-333-4542 . The Kia Consumer Assistance Center is available at the number listed above if you have any questions orGood luck trying to buy a Toyota, Kia or Honda. These auto brands have the lowest supply of cars available for sale at dealerships now. By clicking "TRY IT", I agree to receive new...Search Results for 'p0420' ... buy canada car cargo change cover door engine exclaim first fog for from front good have hello help how install interior issue issues just key kia led light lights love manual meet member model month new newbie not oem oil owner owners post problem problems question questions radio rear red replacement ...I’m throwing a p0420, in a previous post. I experienced a no start condition which ultimately was a crank sensor (p0355) I changed the plugs as a tune up yesterday. ... USA - 1999 Kia Elan 1.8L, 2017 Ford Edge Sport 2.7L V6 T, 2015 BMW X5 3.0L I6, 2013 BMW K1600 6cyl GTL. ... Come discuss the Kia Sorento, Rio, Sportage, Soul and more! …Understanding the 2013 Kia Soul Recalls and TSBs. Quirky, cute, and a whole lot of fun, the 2013 Kia Soul offers big value in a reasonably-sized package. This subcompact crossover SUV comfortable seats up to five people, including the driver, and reliably gets everyone to their destination in style. Although this little KIA is known for being ...Couple weeks ago got the P0420 and figured to change spark plugs, air filter, pcv, and both o2 sensors. Hoping it would fix the issue. Yesterday I caved in and bought a new catalytic converter and installed it. It was running a little rough right after but I assumed it was a relearn. Wife drove it to work (60 miles roundtrip).The Check Engine light came on last evening as I started up after dinner. I have an OBD-II code reader and this is the code that came up. I just turned over 47K miles on the car, a 2015 KIA Soul base with a 1.6 engine, AT.This solenoid valve is used only for diagnosis, and usually remains opened. When the vent is closed, under normal purge conditions, the evaporative emission control system is depressurized and allows EVAP Control System (Small Leak) diagnosis. P0449 KIA Code - EVAP Emission System Vent Valve Solenoid Circuit.Check if this fits your 2013 Kia Soul. Select store. for pickup availability. Standard Delivery by May 25. Add TO CART. Notes: Vapor Canister Purge Valve. Vapor Canister Purge Solenoid. For pigtail connector use 1413. PRICE: 31.99.P0420 Code frustation ... Come discuss the Kia Sorento, Rio, Sportage, Soul and more! Show Less . Full Forum Listing. Explore Our Forums. 2011 - 2013 (XM) Sorento Forum 2016 - 2020 Sorento Forum 2003-2010 Sorento Forum 3G 2011 - 2016 Sportage 1G (1993 - 2002) Sportage.P0420 Catalyst System Efficiency below Threshold - Bank 1. ... 2001 Audio A6, 2003 GMC Sierra, 2016 Kia Optima SXL, 2019 Kia Soul Plus Special Edition. Save Share. Like. 1fastkia Discussion starter ... 2013 BMW K1600 6cyl GTL. Save Share. Like. 1fastkia Discussion starter 6189 posts ...2014 1.6 base soul P0420 and a vacuum leak I can’t find. I reset the p0420 code a couple of times and it would stay away for a couple of weeks. Now it comes on a day later. I had the cat recall software update done at 90k miles so the overheating damage wore it out enough before they could recall it. At 130k now and the light keeps coming on.Code p0420 tells you that it is not cleaning properly and you can monitor downstream o2 data to see if it's bad. ... (2013+ era) might die at 80k miles. ... 2014 kia soul 10400.miles cat went out 6month after Bought it and dealer wouldn't replace cat and engine was burning oil bad still wouldn't do anything they kept say couldn't find any thing ...P0455 in the Kia Soul is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn't notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your Soul. But, whenever the check engine light is on, it's good to deal with the ...Here are some of the typical symptoms of P0011 in the Kia Soul: Poor Idle Quality - If the camshaft actuator fails while it is too far advanced, it'll idle roughly. Rattling Sound - You may hear the camshaft actuator rattling at idle speed since it's not where it's supposed to be. A rattling sound can also indicate the timing chain ...I live in a city so it is not easy to drive 1,000 miles, but by March of 2022 I complete the second test and the Kia dealer finds again that the engine is over consuming oil, 1 quart low. Meanwhile, during this last test the P0420 code comes back, as does a P0455 code (evaporative emissions system leak detected - large leak).How To Diagnose. If you are experiencing problems with your Kia Soul related to the P0441 code, then there are several steps you can take to diagnose the issue. First, check the fuel cap on your Soul and ensure that it is tightly secured. A loose or faulty fuel cap is often the cause of the P0441 code. If the fuel cap appears to be in good ...426 posts · Joined 2014. #3 · Jul 9, 2015. There are a number of things that could be causing this p0420 catalyst efficiency code. The most common thing is the catalytic converter itself is no longer functioning properly. The other likely thing is the rear O2 (oxygen) sensor is no longer working properly.GENERATION 1 (2010 to 2013) Soul Related. Soul General Discussion (Gen 1) Front AC vents only work when they want to ... As for P0420, that's a misfire. I'll get one every once in a long while on my 180k base Soul. I fix it with a tank of 89 octane, no lie. ... Kia Soul Owners. 423.6K posts 50.7K membersP0420, lacks power 2014 Kia Soul, Fouling spark plugs, Was replaced under recall about 50k miles ago, Vehicle has an - Answered by a verified Auto Mechanic. We use cookies to give you the best possible experience on our website.KIA OXYGEN SENSOR BANK 1 SENSOR 1 REPLACEMENT LOCATION KIA FORTE SOUL OPTIMA RIO SPORTAGE SORENTOIf you have Kia and you need replace upstream oxygen sensor ...It will cover potential issues such as oxygen sensor malfunction, exhaust leaks, or catalytic converter failure. Some important sentences: In the 2013 Nissan Rogue, the P0420 code is often caused by a faulty oxygen sensor or a deteriorated catalytic converter due to normal wear and tear. Exhaust leaks, damaged wiring, or engine misfires can ...This video shows you how to remove and replace the downstream oxygen sensor on a 2012 Kia Soul. The check-engine light was on and the free diagnostic test at...The base Soul has a 138-horsepower, 1.6-liter four-cylinder. The Soul+ and my Soul! test car have an upgraded 164-hp, 2.0-liter engine. All Souls have front-wheel drive, and the base and Soul+ ...Couple weeks ago got the P0420 and figured to change spark plugs, air filter, pcv, and both o2 sensors. Hoping it would fix the issue. Yesterday I caved in and bought a new catalytic converter and installed it. It was running a little rough right after but I assumed it was a relearn. Wife drove it to work (60 miles roundtrip).Gainers Ault Alliance, Inc. (NASDAQ:AULT) jumped 34.8% to $0.1265 in pre-market trading. Ault Alliance plans share buyback of up to 333.33 milli... Now Read This: Over $1M Bet On...P0420 Catalyst System Efficiency Below Threshold (Bank #1) P0421 Warm Up Catalyst Efficiency Below Threshold (Bank #1) ... Mar 21, 2013 • Kia Sportage Cars & Trucks. 0 helpful. 1 answer. PCM code p0272 on 2006 Freestyle with 3.0 liter. This code is for cylinder #4 contribution/balance. In other words this cylinder isn't contributing as much ...Jul 24, 2020 · How to diagnose, repair, and info on symptoms and causes of a P0420 engine code which means the catalytic converter is no longer performing at a normal level. www.obd-codes.com. Several possible issues to check. eGAK009. This is an older thread, you may not receive a response, and could be reviving an old thread.2014 Kia Soul P0420 this morning . CEL On I dont want to have to replace a cat, car runs fine still, what are your first things to check? ... 2013 Ford Edge P0420 upvote ... 2013 Kia Rio P0462, fuel gauge and odometer not working upvote ...We carry shocks and struts, as well as complete strut assemblies and parts, for most vehicles. If you'd like step-by-step guidance on your next suspension repair, visit our How-To Hub for topics like how to replace rear shocks, the differences between shocks and struts, and much more. Shop for the best Shocks And Struts for your 2013 Kia Soul ...Feb 6, 2022 · How To Fix The P0420 Trouble Code. Verify the code with an OBD-II scanner and reset the check engine light to see if it comes back. Inspect and replace faulty oxygen sensors. Check for exhaust leaks and repair as necessary. Replace worn-out spark plugs or spark plug wires.Look for ANY rusted open or cracked exhaust pipes/flange connections.ANY unmetered air getting into the exhaust can cause "goofy" codes and the cel to happen. Our 2012 Rio5 also has had the P0420 code and came up at about 77k miles, now at 81k miles. Comes on and off randomly but stays mostly on.2013 Kia Soul 4dr Wagon (1.6L 4cyl 6A) 34 of 34 people found this review helpful. Purchased this one to replace unsure footed 2002 Rav4. The interior room and MPG are key reasons. Great a little ...Find replacement parts and upgrades for your 2013 Kia Soul. Use our customer reviews of Clutch System parts and others, along with user ratings on the many of the products we offer. You won't find an easier way to shop for 2013 Kia Soul performance parts, 2013 Kia Soul body parts, interior components, or any type of part for that matter.Summary. Diagnostic trouble code (DTC) P0302 stands for "Cylinder 2 Misfire Detected.". The code is triggered once your ride's PCM detects frequent misfires on cylinder 2. A P0302 code can be caused by a bad fuel injector or a malfunctioning injector circuit. A failed coil pack or worn spark plug can also trigger the code.You also have to understand that to condemn a catalytic converter, the ECM uses readings from the O2 sensor. If the sensors were bad, it couldn't set the P0420. Let's understand exactly what a P0420 code is. Here's the definition: P0420 Catalyst System Efficiency Below Threshold (Bank 1).Two companies are denying coverage for these Kia and Hyundai vehicles because they're so easily hot-wired. Car insurance companies don’t take unnecessary risks—and now, for State F...New to this site. Looking for advice. 2015 Kia Soul 2.0 liter. Last week threw codes p0300 p0301 p302 p304. So this first tells me multiple misfires. The other tells me in cylinder 12&4. Took it to a local shop who read the codes and told us to go straight to dealership as still under warranty. Ran fine on way there.P0463 definition: Fuel Level Sensor Circuit High Input. Issue Severity: LOW - Continued driving for a short period of time is okay. Repair Urgency: Get this fixed within the next month to avoid running out of gas. Diagnosis: This trouble code will not prevent your vehicle from running. The most common result (s) is being unable to tell the ...Summary. The P2191 code stands for “Manifold Absolute Pressure/Mass Air Flow – Throttle Position.”. It’s logged once the PCM detects a lean mixture in the system. Some issues that can trigger code P2191 include a bad fuel injector, a weak fuel pump, and a malfunctioning mass airflow sensor. An illuminated check engine light, decreased ...1.6L, 4-cylinder, aluminum block and head. 2.0L, 4-cylinder, aluminum block and head. 2.0L, 4-cylinder, aluminum block and head. Valve System. Dual Continuously Variable Valve Timing (CVVT) Dual Continuously Variable Valve Timing (CVVT) Dual Continuously Variable Valve Timing (CVVT) Displacement (cc) 1,591 cc.no todo el tiempo es el vatalizador el problemaThe P0420 says the O2 exhaust readings exiting the cat converter are not clean enough when compared to the O2 readings feeding the cat. Either one O2 reading is incorrect or the cat is not functioning. ... Come discuss the Kia Sorento, Rio, Sportage, Soul and more! ... Explore Our Forums. 2011 - 2013 (XM) Sorento Forum 2016 - 2020 Sorento …P0130 definition: Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 1) Issue Severity: MODERATE - Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid catalytic converter and exhaust system damage. Diagnosis: It is important to complete the entire diagnostic process ...Popped a P0441 code today. 2014 Soul +, 2.0, 71K. Was traveling to work when I noticed the engine light on. The Soul is running fine, I thought. Purchased gas, made sure of the cap. Light still on. Later went to parts store to confirm code. P0441 EVAP Purge solenoid.Jul 11, 2017 · Look for ANY rusted open or cracked exhaust pipes/flange connections.ANY unmetered air getting into the exhaust can cause "goofy" codes and the cel to happen. Our 2012 Rio5 also has had the P0420 code and came up at about 77k miles, now at 81k miles. Comes on and off randomly but stays mostly on.P0420 Code 2011 Rio Base. ... Come discuss the Kia Sorento, Rio, Sportage, Soul and more! Full Forum Listing. Explore Our Forums. 2011 - 2013 (XM) Sorento Forum 2003-2010 Sorento Forum 2016 - 2020 Sorento Forum 3G 2011 - 2016 Sportage 1G (1993 - 2002) Sportage. Top Contributors this MonthThe P0420 code in a Kia Rio refers to a failed or malfunctioning catalytic converter. This code indicates that the catalytic converter is not working effectively in reducing emissions, leading to increased pollution and potential damage to the vehicle’s engine. It is important to address this issue promptly as it can lead to more serious ...Here are some steps to fix a P0420 code Honda Accord. First, remove the O2 sensor and pour 4-6 ounces of seafoam into the opening, replace the sensor, and leave it overnight. Reset the code and then continue driving. Increase the gap between the oxygen sensor and the converter using a spark plug non-fowler.This page is meant to help you troubleshoot the Kia Rondo 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. TableEven 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.Move coils and plugs and see if misfire follows to the other cylinder and that will tell you if it's bad or has nothing to do with it. Since you're able to change plugs rent a compression tester if you don't have one and see if there's a mechanical issue or if it's a fuel or spark issue. Like. Cam Garcia Discussion starter.Feb 19, 2023 · 2015 Soul 1.6 180,000mi. My girlfriend got the car used from a small lot. It very quickly threw p0420. After a reset, it came back. Over the course of 3 months and the lot owner trying "magic mechanic in a bottle treatments" (I'm not a fan of these) he finally changed the mani/cat. Now, 5 months later, p0420 is back.The misfire only happened coming to a stop or at idle still. I read codes one last time and additionally it showed P0300, random misfire. Waited an hour for the dealer to diagnose. They found the same two codes and somehow concluded that the 'oil control valve' was sticking intermittently causing the misfires.A place for Kia Soul owners to share tips, tricks, stories, pictures, and comments about owning the best "fun" car on the road today! ... I'd push back on that, or escalate to the regional level. Kia has a good reputation for customer service. Reply reply ... Looking at purchasing a 2013 ATS with 38k miles and need some educated guidanceP0420 - Catalyst System Efficiency Below Threshold Bank 1. P0441 - EVAP System Incorrect Purge Flow. P0446 - EVAP System Vent Control Circuit. P0455 - EVAP System Leak Detected - Large Leak.P0420 Catalyst System Efficiency below Threshold - Bank 1. ... 2001 Audio A6, 2003 GMC Sierra, 2016 Kia Optima SXL, 2019 Kia Soul Plus Special Edition. Save Share. Like. 1fastkia Discussion starter ... 2013 BMW K1600 6cyl GTL. Save Share. Like. 1fastkia Discussion starter 6189 posts ...I have a 2015 Kia soul with a p0420 code, I replaced the catalytic converter and both 02 sensors and still have the - Answered by a verified Auto Mechanic ... My Kia soul had an oil consumption issue and just got approved for a new engine but the dealership is also telling me that I may have to get my catalytic converter replaced.I believe the key thing to look at for a P0420 code is the downstream O2, or bank 1 sensor 2 B1S2. 2016 Kia Soul ! Save Share. Like. G. geraldine. ... Kia Soul Owners.The Side Barrier test simulates an intersection collision between a standing vehicle and moving barrier at 38.5 mph. The Side Pole Barrier test simulates a crash into a fixed object like a tree or utility pole. The Rollover Resistance test measures the risk of rollover in a single-vehicle, loss-of-control scenario.Pull the seat out. As an aside, this would be a good time to clean you back seat. Access to the fuel pump is under a black cover (sorry, didn't get pictures of this in place). This is glued in place with a gasket. Just carefully pull this cover off. Unplug the 2 electrical connections. Unplug the two hoses.If your Soul is misfiring or the exhaust timing is off, this can affect the gasses that are actually going to the O2 sensors enough to cause the P0420 code to register. If there's a noticeable exhaust leak coming from the vehicle it can change what the O2 sensors register enough to throw the P0420 code.Look for ANY rusted open or cracked exhaust pipes/flange connections.ANY unmetered air getting into the exhaust can cause "goofy" codes and the cel to happen. Our 2012 Rio5 also has had the P0420 code and came up at about 77k miles, now at 81k miles. Comes on and off randomly but stays mostly on.2013 Rio with 77,000 miles. Code P0420. Kia dealer replaced catalytic converter for free under 8/80 Emissions Warranty. $270.00 Labor (1.5 hours at $180.00/hour). Now, the car is much less "boggy" when driving; more responsive to throttle than before; requires less pedal (gas pedal) to downshift.The 2013 Kia Soul is powered by a 138-horsepower four-cylinder engine mated to a six-speed manual transmission. The base engine has enough power for everyday driving, but some models come with a 164-horsepower four-cylinder engine that's better for highway driving. The Soul comes with a standard six-speed manual transmission that shifts ...If your car is showing the P0420 engine code, it's likely that either the catalytic converter or the O2 sensors aren't functioning properly. A faulty catalytic converter is the most common cause of this engine code. The catalytic converter is a small cylinder that lives in your car's exhaust system. It uses a fine metallic honeycomb ...Here are the most common symptoms of P1326 in the Kia Soul: Limited RPM: The PCM will limit engine speed to prevent a catastrophic failure. The limit is usually 2000 RPM. Rod Knock: If you hear rod knock with P1326, the knock sensor is probably fine, and the rod bearings are wearing out. Check Engine Light: It may blink on and off, …A bad sensor can cause poor gas mileage,rough idle,or damage to the catalytic converter. It can cause a l, If you are experiencing this issue with a Kia Soul that, Your Soul will likely throw P0420 or the P0430 code. To diagnose a downstream O2 sensor failure, you can us, 2012 Kia Soul catalytic converter replacement. Hey guys. My girlfriend's da, Related Kia Soul Kia Motors Cars and Motor Vehicles forward back. r/AskMechanics., The P0420 code is a common diagnostic trouble code that indicates an issue with the catalytic co, 8 posts · Joined 2013. #1 · May 29, 2013. Engine cut off / stopped while driving on highway. 2/2, What Does the P0420 Code Mean? Diagnostic trouble code (DTC) P0, Code P0420 KIA Description. The catalyst's efficiency is, To diagnose the P0011 KIA code, it typically requires 1., GENERATION 1 (2010 to 2013) Soul Related. Soul Problems (Gen 1) P044, How to replace Shock/Strut assembly https://youtu.be/QkU7B, Look for ANY rusted open or cracked exhaust pipes/fla, Here’s a good P0420 diagnostic order for the Kia Sorento: 1., 2015 Kia Soul.90K miles. 1.6 AT. p0420 code. did temp check up/, My daughter has a 2015 Kia soul with the 1.6. 106,000 miles , This video shows you how to remove and replace the downst, The most common cause of the P0420 engine code is a degraded c.