This Kia is running bad, running rough and stalling when slowing down and stopping and then almost refusing to restart. Even starting regularly was slow requ...The P0420 code is a common diagnostic trouble code that indicates an issue with the catalytic converter in your Kia Soul. When this code appears, it typically …Jun 11, 2020 · GENERATION 1 (2010 to 2013) Soul Related. Soul Problems (Gen 1) P0455 FINALLY SOLVED!!! ... 2010 Molten Red Kia Soul +, 2.0L Beta II Engine, Mitsubishi 5-Speed (Yes ...GENERATION 1 (2010 to 2013) Soul Related. Soul Problems (Gen 1) P0441 CEL Code (Solved) Tags cel code p0441 solved. Jump to Latest Follow 93K ... Kia Soul Forums :: Kia Soul Owners. 424.5K posts 50.7K members Since 2008 We’re the ultimate Kia Soul community dedicated to Soul owners and fans! ...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.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 ...There was an Idle Air Control valve in the 2009-2011 Souls. As I went looking through the FSM, I came across the PCV valve as a possible cause of rough idling and stalling. The PCV valve is easy to either clean or replace. Also mentioned as a possible cause: vapor hose damaged or disconnected.The OBD2 code P0420 is stored in memory when the PCM detects a low efficiency in the catalyst system. What symptoms may occur with this OBD II code? Usually, the only symptom is the CEL lit. The Check Engine Light will turn on after few driving cycles to alert the driver about the situation. But under some circumstances, the CEL will blink ...JT Exhaust Catalytic Converter Compatible with Hyundai Accent 2012-2017, Kia Soul 2012-2013, Rio 2012-2016 1.6L (EPA Compliant) ... It faulted with the P0420 code for converter below efficiency threshold. Anyway, a new OEM cat is $800 -$1200 and completely out of our price range soP0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to the driveability of your Soul. Certainly, anytime the service engine soon light is on, it's good to deal with it as ...Tech Notes. The P0303 code means that the cylinder 3 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 3. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes". ⚠ Check if your KIA have Safety Recalls.Follow the troubleshooting tips below. First, ensure your device is compatible with your Kia Soul. Press the phone button on your vehicle's control panel, then select Phone settings > Add new device. Activate Bluetooth on your device, search for your vehicle's system, and choose the device you want to pair.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.56 posts · Joined 2017. #7 · Jun 12, 2019. Also, you may want to try replacing the FUEL pressure regulator itself. that code also goes with that as well. 2010 Molten Red Kia Soul +, 2.0L Beta II Engine, Mitsubishi 5-Speed (Yes the transmission real is made for Kia by Mitsubishi), and getting used to So Cal. C.If your check engine light is flashing in your Kia Soul, we highly recommend not to drive the vehicle and schedule Kia service today. Below is a list of the most common reasons your check engine light can come on: New Spark Plugs or Plug Wires are needed for your Kia Soul. The spark plugs are the part of your engine that ignites the air/fuel ...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 ...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 ...Oct 2, 2015 · Check engine light came on, Code P0420 Catalyst System Efficiency Below Threshold (Bank 1) poped up on my scanner. Cleared the code and have driven it over 50kms, no issue (low or weaker performance). I have a 2013 Rio with 143000 kms. Warranty on emmision system ended at 130,000 kms. Hope it doesn't return, but from what I read so far, O2 ...Remove Coil PacksJul 9, 2015 · 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.The P0420 engine code indicates the catalyst system efficiency is below the threshold (Bank 1). A P0420 code indicates a problem with the catalytic converter, more specifically. The purpose of the catalytic converter is to break down harmful pollutants created during the combustion cycle. By using fine platinum and gold meshes to filter exhaust ...Here's a good P0420 diagnostic order for the Dodge Journey: 1. Check for Other Codes. The first thing you want to do when trying to fix P0420 in the Journey is to verify there aren't any other trouble codes. Three types of codes can give clues as to what's going on with your vehicle. Misfire Codes.To diagnose the P0011 KIA 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.I just got this code on my 2019 Soul. My little inexpensive Autel AP200 showed no codes on the Kia side, it didn't even see my 2019, so I had to say it was a 2018, but when I went into obd2 side it showed P04E0 current, pending and permanent. I'm about to load the parts cannon! 😳 But maybe this is still covered under my 5/60 warranty, might check that first.A week later the P0420 codes returned after the downstream 02 sensor and cat was done. ... 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) ...Summary: Kia Motors America (Kia) is recalling certain model year 2010-2013 Kia Soul vehicles manufactured January 8, 2009, to October 2, 2013, equipped with a sun roof. A headliner plate may ...The brand's iconic "Jumpman" logo is at stake, as well as it's reputation as an innovator. Nike is currently embroiled in three legal struggles, one over copyright and two over int...Tsb: ecm upgrade - mil on with dtc p0128 - this bulletin provides information related to the ecm software upgrade for some 2015my soul (ps) vehicles, produced from june 14, 2014 through november 18, 2015, which may experience a malfunction. 09/13/16. Electrical and Air Conditioning. NHTSA ID: 10079901.The most common fix for P0420 in the Kia Forte is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Forte 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 Forte: 1. Check for Other Codes.p0420 uh oh. so at just under 80k (79,618) the engine light been coming and going .i go get it read free at autozone . p0420 code .a cat /sensor code. being the second owner we rush it to kia as emmissions are only covered until 80,000 for second owner . rather that then a way overpriced sensor i would be out for and a 100 dollar diagnostic fee .Sep 20, 2023 · P0420 is catalytic converter efficiency below threshold. Triggered when the ECU doesn't like the output of the downstream O2 sensor. If I got 288,000 miles out of a cat I would be doing a happy dance. They don't keep working forever. 2016 Kia Soul ! sadiem15, rhysoul and bwdz75. Like.Touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts. Now that you have a baseline, it's time to turn the engine on. Leave the air conditioner off, as well as the headlights and any other accessories.The Kia Optima comes equipped with a keyless remote system. The keyless remotes are provided by the dealership at the time of purchase. Vehicle owners can unlock the vehicle doors ...1. Check Engine Light. A bad knock sensor can trigger your Soul’s check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other. The code you get will either be for an intermittent problem, high input, low input, or open circuit.In the same way that visiting a new place can help you face your fears, engaging in some form of spiritual healing can suddenly seem more appealing to travelers too. We're partneri...In park you can rev it a little. But when you start driving. You hit above 30 and it just bottoms out. And almost completely loses power to where you can't really go more than 10-15, code it threw was p0420, bank 1. when I hooked it up. In my experience that's usually the cat or the o2 sensor, but shouldn't there also be a code for the o2 ...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 …Getting engine light for kia soul 2015 1.6l. Code p0420. ecu. ... Have a 2013 kia soul and the amber engine light is on and so is a capital A with circle arrow ...Here's a good P0420 diagnostic order for the Hyundai Santa Fe: 1. Check for Other Codes. The first thing you want to do when trying to fix P0420 in the Santa Fe is to verify there aren't any other trouble codes. Three types of codes can give clues as to what's going on with your vehicle. Misfire Codes.2016 Kia Soul Pulling Both P054A & P0420 Codes upvote r/kia. r/kia *Enough is enough! Anymore spamming of other peoples post downgrading kia either about "kia boyz" immobilizers, engine failure, or car fires will result in a 30 day ban, and a subsequent violation will result in a permanent ban. The Official Subreddit For Kia Motors - EV6, EV9 ...2013 Rio LX 4-Door. 76,500 miles. CEL stayed ON for two days; then went OFF. Code P0420 "catalyst system efficiency below threshold." Local Kia dealer's first available slot for a diagnostic appointment is one week from now; they charge $90.00 to diagnose the problem; they say there's a 8-year 80,000 mile warranty on the catalytic converter.The average cost for a Kia Soul Ignition Coil Replacement is between $136 and $146. Labor costs are estimated between $36 and $46 while parts are typically priced around $100. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed. For a more accurate estimate based on your ...A1. Kia Motors has decided that a defect which relates to motor vehicle safety exists in all 2012- 2016 MY Kia Soul vehicles equipped with the 1.6L Gasoline Direct Injection (GDI) engine. Q2. What vehicles are affected by the recall? A2. All 2012-2016 MY Kia Soul vehicles equi pped with the 1.6L Gasoline Direct Injection (GDI) engine,P0130 is a very common OBDII code that occurs in the Kia Rio. It is typically caused when the Oxygen Sensor voltage is not within normal operating conditions. Kia Rio P0130 Symptoms Typically, the only symptom of P0130 is going to be the service engine soon light. In some cases, there can be other symptoms.Oct 8, 2020 · found this on the old web for ya, hope it helps. 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 (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the ...2015 Kia soul Base model - mileage 112,600 starts for few seconds and then starts flashing check engine light and dies. ... exhaust Crankshaft Position sensor, and spark plugs (with NGK IR) Ran OBDll reader and have. P0302 misfire; P0420 cat converter bank 1 efficiency below threshold (We’ve driven it around with this code since it was the ...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 orHyundai and Kia have added more than a half-million vehicles to 3 ½-year string of U.S. recalls for engine failures and fires. ... website Thursday covers nearly 379,000 Kia Soul small SUVs from ...P0420 Code - 2013 Accent . Accent Had the engine swapped at around 207k kms, with engine that had about 165k kms. ... A place for Kia Soul owners to share tips, tricks, stories, pictures, and comments about owning the best "fun" car on the road today! Members Online. 2019 Kia Soul 75k miles P0420 code ...A week later the P0420 codes returned after the downstream 02 sensor and cat was done. ... 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) ...This 2015 Kia Soul starts up but BARELY runs.Accelerator pedal does absolutely nothing.Can we quickly pinpoint the problem with 100% accuracy?PHAD PRESSURE T...P0420 is Catalyst Efficiency Low, but that won't directly cause a rough idle. There is something more going on with your engine. A mis-firing cylinder can cause a rough idle and (indirectly) catalyst problems, but you should have a P0300, P0301, P0302, etc code to indicate which cylinder is mis-firing. So there are no other codes, only the P0420.kiaguy002. 1595 posts · Joined 2015. #7 · Feb 5, 2020. I've never read an account of spark plugs having any effect on a P0420, one way or the other. Yes, bad plugs causing misfire will eventually trash out a cat and cause the P0420, but once that occurs, it's then too late for new plugs to 'fix' the cat.My 2012 Kia soul has a code P0420, C1555, P0135, P2191 and P2237. It had a hole in the flex pipe so I replaced it and replaced both O2 sensors. ... We have a Kia soul 2013 and have 6 month old cats, 6 month. Hi we have a Kia soul 2013 and have 6 month old cats, 6 month old Bosch o2 sensors and it's showing PO420, sometimes indicating Ann issue ...2013 Kia Soul 1.6L. Just had engine worked on as catalytic converter failed. Replaced Catalytic Converter, cleaned fuel injection system, replaced MAP and PCV at same time. Car running fantastic, better than in past 4 years and then while on highway car started chugging a bit and losing power. Pulled off and engine seemed to be running fine.FOLLOW THIS GUIDE if you have a P0420 code. I will explain what the code means, how to diagnose it, and all that backed up by 100+ fixes case study, where I ... 2010 Kia Soul Sport 2.0L: Replace CAT: 2007 Subaru Impreza Outback Sport 2.5L: Replace CAT: ... 2013 Chevrolet Cruze Eco 1.4L Surge: Replace CAT: 2016 Ford F-350 Super …This 2015 Kia Soul starts up but BARELY runs.Accelerator pedal does absolutely nothing.Can we quickly pinpoint the problem with 100% accuracy?PHAD PRESSURE T...A week later the P0420 codes returned after the downstream 02 sensor and cat was done. ... 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) ...Feb 2, 2024 · 12 posts · Joined 2024. #1 · Feb 2, 2024. I just recently bought this used 2013 Soul base from a local garage. Vehicle's odometer says 147,000 miles on it, but the garage owner claims the vehicle had about 105,000 on it when the original owner had him tow it in for service. Replaced a bad fuel injector but discovered other engine damage.Detailed specs and features for the Used 2013 Kia Soul Base including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.When the cam timing is off, it can cause some issues with the motor. Here are some of the typical symptoms of P0014 in the Kia Rio: Poor Idle Quality- If the "B" 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.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.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 ...HankC said: My 2014 1.6L Soul had the ECU programming recall done in May 2019 at 32,461 miles, in December my rear catalytic converter failed at 33,766 miles, only 1300 miles after the recall service. Dealership said it was an internal melt down that clogged the exhaust and not covered under warranty (only front is covered in emission warranty ...I have a 2012 soul with a1.6 no power an d it has the following codes p0420,p0191, p0453. Consistent won't get above - Answered by a verified Kia Mechanic ... MY 2013 KIA SOUL WHILE RUNNING WILL HESITATE SLIGHTLY AND THEN THE RPM NEEDLE DROPS AND DOESNT MOVE AND THE CAR CONTINUES TO RUN BUT ACTS LIKE IT HAS NO POWER.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 P0420 code in your 2015 Kia Soul usually indicates a problem with the catalytic converter. To diagnose the cause, you can start by checking for any leaks or damage in the exhaust system. Additionally, you may need to inspect the oxygen sensors and perform a fuel pressure test. It’s recommended to consult a certified mechanic or refer to a ...A serpentine belt drives the alternator on the Kia Sephia and changing it is a great project for the novice or home mechanic. The belt routing is important, so be sure to check the...Used 2013 Kia Soul pricing starts at $4,757 for the Soul Wagon 4D, which had a starting MSRP of $15,595 when new. The range-topping 2013 Soul ! Wagon 4D starts at $6,926 today, originally priced ...There are two ways to reset P0442. You can plug a scan tool into your Soul and command it to clear the codes, or you can repair the EVAP leak. If you clear the code without fixing the cause, it will return. If you fix the leak without clearing the code, the check engine light may take a few drive cycles to turn off.Buy AutoShack Exhaust Manifold Catalytic Converter Direct Fit Replacement for 2012-2019 Kia Soul Rio 2011-2019 Hyundai Accent 2012 2013 2014 2015 2016 2017 Veloster 1 ...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 ...For a complete list please see our Kia OBD2 codes list page. For best results, please look up your Kia model if available in our OBD2 model table on this page. OBD-II. P0100. Mass Air Flow or Volume Air Flow Circuit Malfunction. P0101. Mass Air Flow or Volume Air Flow Circuit Range/Performance problem. P0102.If you are repairing an oil leak or need a replacement PCV valve, O'Reilly Auto Parts offers a selection of PCV valves, gaskets, seals, and PCV hoses for most vehicles. Shop for the best PCV Valve for your 2013 Kia Soul, and you can place your order online and pick up for free at your local O'Reilly Auto Parts.Kia Soul P0136 Symptoms Often, the only symptom of P0136. P0136 is a common OBDII code that occurs in the Kia Soul. It is typically caused when the O2 Sensor voltage is not within normal operating range. Bank one will be the side of the engine with cylinder 1 in the firing order. Kia Soul P0136 Symptoms Often, the only symptom of P0136Sep 20, 2021 · HankC said: My 2014 1.6L Soul had the ECU programming recall done in May 2019 at 32,461 miles, in December my rear catalytic converter failed at 33,766 miles, only 1300 miles after the recall service. Dealership said it was an internal melt down that clogged the exhaust and not covered under warranty (only front is covered in emission warranty ...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 …2016 Kia Soul Pulling Both P054A & P0420 Codes upvote r/kia. r/kia *Enough is enough! Anymore spamming of other peoples post downgrading kia either about "kia boyz" immobilizers, engine failure, or car fires will result in a 30 day ban, and a subsequent violation will result in a permanent ban. The Official Subreddit For Kia Motors - EV6, EV9 ...Posted by u/cDawgMcGrew - 1 vote and 3 commentsMileage: 50,036 miles MPG: 23 city / 28 hwy Color: Silver Body Style: Wagon Engine: 4 Cyl 2.0 L Transmission: Automatic. Description: Used 2013 Kia Soul+ with Front-Wheel Drive, Bucket Seats, Splash Guards, Keyless Entry, Cargo Cover, Alloy Wheels, Heated Mirrors, Cloth Seats, Rear Bench Seat, and Satellite Radio.Here's a good P0420 diagnostic order for the Kia Spectra: 1. Check for Other Codes. The first thing you want to do when trying to fix P0420 in the Spectra is to verify there aren't any other trouble codes. Three types of codes can give clues as to what's going on with your car. Misfire Codes.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 ...2013 Kia Soul Base specs & colors 4dr Car. Change trim. MSRP. 5dr Wgn Man Base $14,400; 5dr Wgn Auto Base $16,200; 5dr Wgn Man + $16,700; 5dr Wgn Auto + $17,700; 5dr Wgn Auto ! $19,900; Change trim.Hi all, my car is a 2012 Rio5 Automatic and has about 89k miles on it. We got the car used at probably 65k or so, P0420 code came on around 80k miles in mid 2017. ... Kia Forums is a community dedicated to all Kia models. Come discuss the Kia Sorento, Rio, Sportage, Soul and more! ... Explore Our Forums. 2011 - 2013 (XM) Sorento Forum 2003-2010 ...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.The P0420 code is related to the catalytic converter. When this code appears, it indicates that there is a problem with the efficiency of the catalytic converter. This could be due to a malfunction or damage in the converter itself, or it could be caused by other issues in the vehicle’s engine or emissions system.. When there is a large leak in the Kia Rio'Dec 17, 2021 · 2016 Soul with the 2.0 engine. 8-inch Touchscreen Display. 8.0-inch color touchscreen display with AM/FM, HD audio system, Apple CarPlay® & Android Auto. Disclaimers. 10.25-inch Touchscreen Display w/ Navigation & Kia Connect. The nerve center of the vehicle is the available voice-command navigation with SiriusXM® Satellite Radio and HD Radio™.You can find common Kia Soul fault codes on this page that when clicked take you to a detailed description. ... P0420. Catalyst System Efficiency Below Threshold (Bank 1) Learn More Fixes. 8/10 ... Second-generation models were launched in 2013 at the New York Auto Show. These newer models were larger vehicles and stylistically had more angular ... P0441 is one of the more common OBD II codes that can occur in P0420: Catalyst Efficiency Below Threshold. Related Vehicles: 2012-2018 Veloster 1.6L GDI. Notes/Hints: Check the downstream O2 sensor. If the sensors signal is dropping when it shouldn't, or reading low voltage during WOT, replace it first, clear code (s) and recheck before condemning the catalytic converter.Exhaust leaks can cause incorrect readings from the oxygen sensors, triggering the P0420 code. Identifying and repairing any leaks in the exhaust system can help resolve the issue. 3. Replace faulty oxygen sensors. If the oxygen sensors are found to be defective, replacing them can often fix the P0420 code. Feb 17, 2020 · If your Soul is misfiring or the exhaust t...
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