Code p0420 nissan

The Nissan Pathfinder code P0420 indicates a problem with the catalytic converter’s efficiency in converting harmful emissions. It is a generic code that is triggered when the onboard diagnostics system detects that the catalytic converter is not working as intended. Typically, this is due to a decrease in its ability to reduce pollutants or ...

Code p0420 nissan. P0420: merkitys, syyt, korjaukset. Vikakoodi P0420 tarkoittaa katalysaattorin tehon moottorin puolella 1 olevan alle raja-arvon. Auton katalysaattoria tarvitaan moottorin polttoprosessin aikana syntyvien haitallisten päästöjen hajottamiseen ja näin se on tärkeässä roolissa ajoneuvon päästöjen vähentämisessä.

Nissan Mechanic: Daniel Chaidez. Understood, so P0420 would only be related to that front catalytic converter here and even though this code usually sets when the converter is damaged it can also set when there is an exhaust leak, a faulty oxygen sensor, or an issue with the ignition/fuel system.

Nov 28, 2023 · Although the most common causes of a P0420 are: (1) bad converter; (2) bad downstream O2 sensor; (3) bad upstream O2 sensor, you may want to check the mass airflow sensor. My 2011 Versa showed P0420 with increasing frequency and I tried most of the on-line suggestions. I finally replaced the converter (about $180) and that worked for several ... Code p0420. 2005 SL here. Service light came on so I plugged in the scan tool and the P0420 code came up. Followed steps to check if the catalytic converter is the culprit. Monitored the O2B1S1 and O2B1S2 and noticed that sensor one sits at around .200 +/- .050 never going above 300. Sensor two sits from .600 to .800.Nov 12, 2018 · The most common fix for P0420 in the Nissan Murano is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Murano 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 Nissan Murano: 1. Check for Other Codes. Step 1 – Resolve Engine Trouble Codes. The first step is to resolve any other codes that may have come up in addition to the P0420; especially troublesome is the P0300 series of cylinder misfire codes. A P0300 code could be related to something in the ignition (spark plug or coil), the fuel injector, compression or fuel contamination.Diagnosis and replacement of a Catalytic Converter on a 2006 Nissan Altima 2.5L which had a P0420 code (Low Catalytic Efficiency)Disclaimer:Due to factors be...On February 9, Nissan Motor presents Q3 figures.Analysts are expecting losses per share of ¥16.629.Go here to follow Nissan Motor stock price in r... On February 9, Nissan Motor wi...

I have read a lot about the code and from what I read the O2 is a cheap start that may fix it. Read that cat can be 95% efficient and throw this code. But cat could be bad. Also read about using o2 simulator from O2 Simulator, Angled O2 Simulator clears p0420 / p0430 check engine light But it be a cheap fix vs a new cat.Even slight variations in the air/fuel mixture will cause the converter temperature to rise significantly. The “Catalytic Converter Efficiency” Diagnostic Trouble Codes (DTCs) P0420 and P0430, are among the top 10 DTCs technicians face. And while the description might imply a failed converter, odds are the ultimate fault lies somewhere else.Feb 1, 2014 · Fact is a p0420 is a clogged/ failed precat. And you can't get the code cleared until its been replaced. You might be looking at a new o2 sensor just because it might strip out when you try and remove it with 100k on it. Google 03 Altima 2.5 p0420. To diagnose the P0420 2007 Nissan Pathfinder 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.What Does The P0420 Code Mean? The P0420 code indicates that the Engine Control Module (ECM) has identified a decline …

P.S side note I have a code P0420 and upon scan it told that its a catalyst system efficiency below threshold ( Bank 1 ) ... Catalytic Converter Compatible with 05-12 Nissan Frontier | Pathfinder | Xterra | NV1500 4.0L Passenger Side (EPA Compliant) ...I think it's like Nizmut's link says where a O2 sensor code should prevent the catalyst monitor from running, so the Nissan troubleshooting is assuming the sensors are good as otherwise you shouldn't be able to get a P0420 code. Nissan might fault-isolate it for you for a "small" fee. I'm guessing it's 1-2 hours of labor to do the troubleshooting.Took it to Advanced Auto Parts for a code scan and they came up with multiple P0300 and one P0420. P0300 - Cylinder Misfire Detected Random Cylinders. P0420 - Catalyst Efficiency Below Threshold (Bank 1) Did a bit of digging on Google and this site, and found it could be anything from MAF to ignition coils, to head gaskets, etc..Jan 28, 2022 ... ... Nissan Titan. Vehicle was throwing code p0420 Catalyst system efficiency bank 1 and replacing the O2 sensor fixed this code. O2 sensor was ...This page is meant to help you troubleshoot the Nissan 350Z P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. ... If the code changes to P0420, that would indicate that one of the O2 sensors is bad on the …

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Engine Misfire Codes; Each of these codes are very well likely indicators of what caused the 420/421 code to come on. It’s important to note that any combination of codes with the 420/421 code should be checked first as they are likely causing it. Where things can get really tricky, however, is when just the 420/421 code arrives by itself. The Post Oxygen sensor is placed to monitor the efficiency of this cat. Each exhaust manifold is considered a bank. Bank 1 and Bank 2. 4 cyclinders contain one bank. On each bank is usually 2 oxygen sensors, the first being the furthest to the block. P0420 refers to bank 1 sensor 2 (downstream sensor). There are certain measurements that the ...To diagnose the P0420 2008 Nissan Pathfinder 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.To diagnose the P0420 2008 Nissan Pathfinder 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.

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.20 posts · Joined 2007. #5 · May 27, 2023. My 2006 Frontier LE (Manual, 168k miles, well maintained) has been displaying P0420 / P0430 codes for more than a year. It's sporadic at best...sometimes it happens on the return trip home after everything is fully warmed up. I live in a hilly area and there doesn't appear to any consistent cause (I ...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 …P0420 NISSAN ROGUE - Catalyst System Efficiency Below Threshold Bank 1. Tech notes. 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 …December 22, 2022 by Jason. This page is meant to help you troubleshoot the Nissan Sentra 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.P0420 2005 Nissan Murano Code - Catalyst System Efficiency Below Threshold Bank 1 - Code Popularity: 24,054 Views - Repair Importance Level: 2/3 - Repair Difficulty Level: 2/3. Table of contents. Created and updated by William Orellana on Aug 20, 2020. Possible Causes; Tech Notes;P0420: merkitys, syyt, korjaukset. Vikakoodi P0420 tarkoittaa katalysaattorin tehon moottorin puolella 1 olevan alle raja-arvon. Auton katalysaattoria tarvitaan moottorin polttoprosessin aikana syntyvien haitallisten päästöjen hajottamiseen ja näin se on tärkeässä roolissa ajoneuvon päästöjen vähentämisessä.Jun 28, 2018 ... The most common fix is to replace both catalytic convertors and both oxygen sensors after them. Some have had luck with just replacing the ...Feb 1, 2014 · Fact is a p0420 is a clogged/ failed precat. And you can't get the code cleared until its been replaced. You might be looking at a new o2 sensor just because it might strip out when you try and remove it with 100k on it. Google 03 Altima 2.5 p0420. To diagnose the P0420 2005 Nissan Pathfinder 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.P.S side note I have a code P0420 and upon scan it told that its a catalyst system efficiency below threshold ( Bank 1 ) ... Catalytic Converter Compatible with 05-12 Nissan Frontier | Pathfinder | Xterra | NV1500 4.0L Passenger Side (EPA Compliant) ...

Nov 12, 2018 · The P0420 code in a Nissan Altima will often be thrown if one of your car’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0420. For most people, the first sign that anything is wrong is the service engine soon light coming on.

What Does The P0420 Code Mean? The 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.Jan 20, 2018 ... This 2005 Nissan Xterra runs great, except for that pesky Check Engine light is on! In this case we have a classic P0430 - "Catalyst ...Re: p0420 Catalyst Efficiency Below Threshold (Bank 1) Post by VStar650CL » Tue Sep 27, 2022 2:17 pm. When occurring by themselves, P0420/P0430 are strictly "dead cat" codes which won't be caused by a bad sensor. The only other thing that can cause them is an exhaust leak in the vicinity of the rear sensor, but we see that very …Oct 17, 2021 · Code P0420. Post by jsando2 » Sun Oct 17, 2021 7:38 pm. Okay! I replaced all my (4) upstream downstream 02 sensors, both catalysts converters, spark plugs, three coil packs all the exhaust is new and Im still getting Code P0420. Also Im getting the code for the fuel sensor but here is where my question comes into place. P0420 NISSAN – Catalyst System Efficiency Below Threshold Bank 1; P0430 NISSAN – Catalyst System Efficiency Below Threshold Bank 2; The Fix. You can eliminate the codes by using a spark plug non-fouler which tricks your engine computer to think that everything is working fine.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈== How to Fix P0420 =====Engine Code P0420 Saving Repair Part...If you were involved in a fender bender, it may be cheaper for you in the long run to replace the fender yourself. Rather than make an insurance claim, for example, you might want ...

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4) I cleared my CEL code, and all was good after the install of the new sensors. 5) The Osiris software does the flashing, Cipher does the logging and clearing of the CEL. incidentally, you can buy a $30 scanner from anywhere and get rid of your codes.A P0420 code indicates a problem with the catalytic converter. The purpose of the catalytic converter is to break down harmful pollutants created during the combustion cycle. If the downstream oxygen sensor is working properly, and there isn't an issue with the catalytic converter, its readings should remain steady. 192.168.100.1 192.168.1.1 .P0420 2005 Nissan Murano Code - Catalyst System Efficiency Below Threshold Bank 1 - Code Popularity: 24,054 Views - Repair Importance Level: 2/3989 posts · Joined 2006. #8 · Mar 5, 2010. No the p0420 code is for the catalyst control being below threshold. In other words temp not hot enough cat is screwed possible engine damage to follow very soon get it fixed. 2 dollar part wil lnot fix this problem just because the little light went out doesn't mean that engine damage has not ...Jun 18, 2021 ... I have a P0 420 code and I've replaced the catalytic converter and o2 senser once, cleared the code then months later had the same code ...The most common fix for P0420 in the Nissan Armada is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Armada 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 Nissan Armada: 1. Check for Other Codes.Diagnosis and replacement of a Catalytic Converter on a 2006 Nissan Altima 2.5L which had a P0420 code (Low Catalytic Efficiency)Disclaimer:Due to factors be...This page is meant to help you troubleshoot the Nissan Pathfinder P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. ... If the code changes to P0420, that would indicate that one of the O2 sensors is …Jan 27, 2024 · The P0420 code is a common diagnostic trouble code (DTC) that appears in Nissan Sentra vehicles. It specifically refers to a problem with the catalytic converter efficiency. When this code is triggered, it indicates that the catalytic converter is not functioning optimally and may need to be repaired or replaced. P0420 コード日産は、PCM が触媒コンバーターのバンク 1 の故障を検出したことを意味します。 Nissan P0420 コードを修正するにはどうすればよいですか? P0420コード日産を修正するために従うことができるいくつかの手順は次のとおりです。 ….

The code P0420 - Catalyst Efficiency Below Threshold (Bank 1) means that there is a problem with the catalytic converter of the Bank 1. The code P0430 means the same fault for the Bank 2 catalytic converter in an engine with two cylinder banks (e.g., V6 or V8). The catalytic converter or "cat" is a key component of the vehicle emission control ...Engine Misfire Codes; Each of these codes are very well likely indicators of what caused the 420/421 code to come on. It’s important to note that any combination of codes with the 420/421 code should be checked first as they are likely causing it. Where things can get really tricky, however, is when just the 420/421 code arrives by itself.Nissan Serena P0420 OBDII Code Defined. P0420 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here’s the technical definition for your van: P0420: Catalyst System Efficiency Below Threshold (Bank 1) Catalyst System Efficiency. Your Serena’s exhaust contains hydrocarbons, carbon monoxide, and other ...What is the Cost to Diagnose the Code P0420 2009 Nissan Sentra? Labor: 1.0. The cost to diagnose the P0420 2009 Nissan Sentra code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and ...Drives: 2012 370Z. Rep Power: 12. Permanent P0420 - Catalyst System Efficiency Below Threshold. Code P0420 popped up about 4 months ago after I got an oil change from Nissan. They cleared the code and the CEL stayed off until this morning. The only thing I did over the past couple days was clean the air filters on the Stillen long tube …Nissan Rogue Service Manual / Engine / Engine Control System / DTC/Circuit diagnosis / P0420 three way catalyst function. DTC Description. ... P0420: TW CATALYST SYS-B1 (Catalyst system efficiency below threshold bank 1) Three way catalyst (manifold) does not operate properly. Three way catalyst (manifold) does not have enough oxygen storage ...How to replace the upstream O2 or Oxygen Sensor in a Nissan Versa. This video cover a 2014 Nissan Versa Note model but it is similar among many more. Common...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 the code and inspect for any exhaust leaks to isolate the cause …This page is meant to help you troubleshoot the Nissan 350Z P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. ... If the code changes to P0420, that would indicate that one of the O2 sensors is bad on the …May 18, 2019 ... Diagnosis and replacement of a Catalytic Converter on a 2006 Nissan Altima 2.5L which had a P0420 code (Low Catalytic Efficiency) ... Code p0420 nissan, Code P0420:::2001 Nissan Sentra GXE 1.8 Manual. I'm working on a friends car who mistakedly paid out 400 dollars to some idiot who replaced all sparks and ignition coils before identifying the code P0420 on her own at autozone and another place aswell. So trying to keep the bills down., Dec 10, 2021 · Even slight variations in the air/fuel mixture will cause the converter temperature to rise significantly. The “Catalytic Converter Efficiency” Diagnostic Trouble Codes (DTCs) P0420 and P0430, are among the top 10 DTCs technicians face. And while the description might imply a failed converter, odds are the ultimate fault lies somewhere else. , This page is meant to help you troubleshoot the Nissan 350Z P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. ... If the code changes to P0420, that would indicate that one of the O2 sensors is bad on the …, Diagnosis and replacement of a Catalytic Converter on a 2006 Nissan Altima 2.5L which had a P0420 code (Low Catalytic Efficiency)Disclaimer:Due to factors be..., Nov 12, 2018 · The P0420 code in a Nissan Altima will often be thrown if one of your car’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with P0420. For most people, the first sign that anything is wrong is the service engine soon light coming on. , Nissan Rogue Service Manual / Engine / Engine Control System / DTC/Circuit diagnosis / P0420 three way catalyst function. DTC Description. ... P0420: TW CATALYST SYS-B1 (Catalyst system efficiency below threshold bank 1) Three way catalyst (manifold) does not operate properly. Three way catalyst (manifold) does not have enough oxygen storage ..., Unfortunately, the P0420 is a fairly straight forward code, and a fairly common problem. This code points to a failing Catalytic Converter for bank1. The Oxygen Sensors measure the amount of emissions in the exhaust going into, and then out of the converter. When they see that the converter is not "cleaning" the exhaust enough to meet specs ..., Has your check engine light recently turned on? Are you seeing the dreaded error code P0420 on your vehicle’s diagnostic scanner? Don’t panic just yet. Code P0420 is a common issue..., OBD II fault code P0420 is a generic code that is defined as ““Catalytic Converter System Bank 1, Efficiency below Threshold”, and is set when the PCM …, The most common fix for P0420 in the Nissan NV200 is a new catalytic converter, followed by an O2 sensor replacement. Before taking your NV200 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 Nissan NV200: 1. Check for Other Codes., Causes for the P0420 code. Damaged or leaking exhaust components. Engine misfire. Engine oil contamination to the catalytic converter. Bad catalytic converter (standard) Bad O2 sensors. Bad coolant temperature sensor. Damaged or corroded O2 sensor wiring. Unplugged or wrongly plugged sensor connectors., Unfortunately, the P0420 is a fairly straight forward code, and a fairly common problem. This code points to a failing Catalytic Converter for bank1. The Oxygen Sensors measure the amount of emissions in the exhaust going into, and then out of the converter. When they see that the converter is not "cleaning" the exhaust enough to meet specs ..., Hi guys, I got a 2017 Nissan Altima 2.5 for 100k on it, My upstream O2 sensor(O2 sensor 1) are dead about a month before, and I waited for about 2 weeks for parts and drive with bad sensor. When I get parts and get the O2 sensor 1 fixed, my car start to show p0420 code, catalytic converter not as effective as it's should, I tried to put ..., Aug 9, 2023 · Yes, damaged or failing spark plugs can indeed cause the P0420 code. If spark plugs aren’t working properly, they can lead to unburned fuel entering the catalytic converter, which can damage it and trigger the P0420 code. If you suspect your spark plugs might be the issue, consider having them inspected or replaced. , The P0420 code in a Nissan Pathfinder will often be thrown if one of your vehicle’s oxygen sensors is not functioning correctly. There are rarely drivability issues …, Nissan code P0420, P0420 code Chevy, P0420 code Toyota, Honda P0420: no matter the vehicle, if you see code P0420, it is likely an issue with the catalytic converter. To see how to fix a car that shows OBD P0420, see the below possible solutions. How to …, Sep 10, 2023 ... In this episode of DIY Willy I have the 2012 Nissan Frontier back in the driveway today and it has a trouble code. P0420…, To diagnose the P0420 2006 Nissan Maxima 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., Nissan Mechanic: Daniel Chaidez. Understood, so P0420 would only be related to that front catalytic converter here and even though this code usually sets when the converter is damaged it can also set when there is an exhaust leak, a faulty oxygen sensor, or an issue with the ignition/fuel system., To diagnose the P0420 2006 Nissan Maxima 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., Aug 20, 2020 · To diagnose the P0420 2010 Nissan Pathfinder 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. , Hello all, I'm getting a "P0420 NISSAN - Catalyst System Efficiency Below Threshold Bank 1" code and light from my 2007 Nissan Sentra 2.0S. I've had this light on and off for the past 4 months or so. I've done some reading on this code, and it sounds like it could be the catalytic converter. I am a complete Newbie when it comes to maintaining …, The P0420 code in a Nissan Pathfinder will often be thrown if one of your vehicle’s oxygen sensors is not functioning correctly. There are rarely drivability issues …, What Does the P0420 Engine Code Mean on a Nissan? On a Nissan, a P0420 code means the catalytic converter efficiency is below the minimum threshold. A bad oxygen sensor or a failing catalytic converter typically causes this. Replacing the oxygen sensors and the catalytic converter is needed to correct the issue., Good morning, Quartz readers! Good morning, Quartz readers! Nissan holds a “town hall” meeting. Following the dismissal of chairman Carlos Ghosn over alleged misconduct, CEO Hiroto..., What Does Code P0420 Mean? 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., Here are some steps you can follow to fix a P0420 code Nissan. Examine the exhaust and ensure there are no leaks. You can locate the upstream oxygen before the catalytic converter. Use a spark plug non-fowler to create space between the O2 sensor and the catalytic converter. Then, clean the catalytic converter., P0420 is a "dying cat" code, and it may be that your recent misfire damaged the catalytic converter. When dealing with it, you need to recognize that low efficiency is one thing, failure of the honeycomb is another. ... Nissan Forums is the go to place to talk about your favorite Nissan model, including the Rogue, Maxima, Altima and even sports ..., Nissan Rogue Service Manual / Engine / Engine Control System / DTC/Circuit diagnosis / P0420 three way catalyst function. DTC Description. ... P0420: TW CATALYST SYS-B1 (Catalyst system efficiency below threshold bank 1) Three way catalyst (manifold) does not operate properly. Three way catalyst (manifold) does not have enough oxygen storage ..., Nov 12, 2018 · The most common fix for P0420 in the Nissan Juke is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Juke 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 Nissan Juke: 1. Check for Other Codes. , Drives: 2012 370Z. Rep Power: 12. Permanent P0420 - Catalyst System Efficiency Below Threshold. Code P0420 popped up about 4 months ago after I got an oil change from Nissan. They cleared the code and the CEL stayed off until this morning. The only thing I did over the past couple days was clean the air filters on the Stillen long tube …, Nov 12, 2018 · Here’s a good P0420 diagnostic order for the Nissan Versa: 1. Check for Other Codes. The first thing you want to do when trying to fix P0420 in the Versa 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. , 2001 Catalytic Converter (SES Code: P0420) I have a 2001 2WD King Cab Frontier. It has 116,000 miles on it, no mods, and has been regularly maintained. The service engine soon light has been on in my truck for the past couple of months, but i have had no drop in performance or mileage. I finally took it into AAMCO today and they told …