P0420 honda accord 2006
- Just had this same thing happen last month on my 2006 Acura TSX with the 2.4. In my mind, the best motor ever created by Honda. I had 238K when this code popped up. Cleared code, came back 50 miles later. Hooked up the Torque app and saw that the downstream O2 was switching very erratically. Changed that out. The erratic readings …mwaserma Discussion starter · #10 · Oct 4, 2015. I decided to replace all four oxygen sensors and front catalytic converter. If any of the codes changes I would replace rear cat as well. Surprisingly, after $700 and 2 hours of work there is no change in codes. P0135, P0155, and P0498 still there as before.Once a mechanic has confirmed the validity of the P2096 trouble code, the following action (s) may be in order: Repairing a vacuum or other hose/line leak. Replacing the catalytic converter. Replacing the fuel filter, fuel pump, or fuel pressure regulator. Replacing the oxygen or mass airflow sensor. Replacing the spark plugs. i 95 exits P0420 On Honda Accord 2010 EXL V6 . Bought the car at 114k miles, now at 140k miles. At the time of purchase I was informed that the car had popped for this code (P0420) and that a mechanic reset the check engine light and told him to see if it would come back on, and it had not in 2 weeks. A couple of weeks later, it popped back on.1 Answer 0 votes answered Mar 1, 2018 by Reynaldo (12.6k points) P0420 Catalyst effiency below thresold (Bank 1) Operating in a saw tooth pattern that represent a failing 02 sensor or a degraded 02 sensor. If the front 02 sensor cannot work properly the catalytic convertor can not work properly Here is a 02 sensor from a Honda poorly operating.Code P0420 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by your Honda.. youtube.com. The P0420 code in a Honda Accord will often be thrown one of your oxygen sensors are not functioning properly.Typically, the code will be triggered by the upstream oxygen sensor (before the converter).Jul 14, 2017 · As stated, it could be a leak in your exhaust, a faulty oxygen sensor, or most likely a filthy catalytic converter. If your catalytic converter is loaded with residue and …I got both the p0420 code and the p0430 code and i was wondering what i could do to fix that besides replacing them. It - Answered by a verified Auto Mechanic ... I ran a search for fixes for this code in the 2010 Honda Accord V6 and every listed fix was catalytic converter replacement. ... it's a 2006 nissan murano sl 3.5l v6 awd ...Hi, I am using Honda Accord 2011 - V6, I got check Engine light on my dashboard, when checked the fault code, I got P0420 (Catalyst System Efficiency Below Threshold Bank 1). I went to a mechanic and he ran some tests, then on Charging Test it showed Excessive Ripple (Volts 12.65 V) and then suggested me to get my alternator changed. huge smile giflakes funeral home in mckee kentucky The most common P0420 and P0430 cause is a clogged catalytic converter filter, which requires replacing the entire catalytic converter. Other causes can include: A faulty or failing o2 sensor. Catalytic converter leaks. Exhaust , intake, or mass airflow (MAF) sensor leaks or other issues.STEP 1: USE FIXD TO ENSURE NO OTHER ENGINE CODES ARE PRESENT. Use FIXD to scan your vehicle to verify P0455 is the only code present. If other codes are present, they must be addressed first. If it is paired with P0441, P0440 and/or P0456, there is most likely a solenoid failure or a more complex EVAP leak.Failing O2 sensors can just throw a P0420 code, especially the downstream sensor since that's what monitors the cat health. The Fleet: Victus - 2012 Honda Accord - EX-L V6 - Crystal Black Pearl - 32k miles - Bought used in July 2022 with 23k miles. Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles - Bought brand new in August ... lego friends series Feb 14, 2018 · Repair Information for P0420 Honda code. Learn what does P0420 Honda Catalyst System Efficiency Below Threshold Bank 1 means and how to diagnose p0420 code H... PostalTech said: This is just not true. The P0420 code is the one code that almost always means exactly what it says. Yes, one should check the functionality of the A/F sensors and the rear O2 sensor but just due to what the computer needs to see in order to set a P0420 or P0430 code it usually is NOT the sensors. 571 forest aveemoji with x eyes and open mouth meaning Labor: 1.0. To diagnose the P2646 Honda 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.If you have the O2 sensor (oxygen sensor) replaced, then it will cost you between $120-$150 per sensor. And that usually is separate from the catalytic converter. But the whole bill can run you between $1,000-$1,200 depending if you need the O2 sensor replaced or not. The only way to know if it needs to be replaced is that if the Check … wzzm tv news It would be a good idea to start by looking for a vacuum leak and move forward from there. 1. Inspect for vacuum leaks: A common cause of the P0507 code is a vacuum leak within the engine. Check all vacuum hoses and connections for any signs of damage or loose fittings. Replace or repair any components if necessary. synonyms for incompetent Code P0171 Honda Tech Notes. If the P0171 is combined with the P0174 code, it's highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. If the problem persists, the A/F Sensor (Sensor 1) may need to be replaced.Using a Honda Accord EGR cleaner and a pick, we will clean the intake manifold's EGR ports with a shop vac. Code P0401 Honda Tech Notes. A contaminated or clogged EGR system may occur in some Honda Odysseys and Pilots from 1999 through 2003. During light acceleration, the vehicle may hesitate or surge, and the MIL (malfunction indicator lamp ...3. Subaru & Honda. If you find a P0420 code in your Subaru or Honda, it's most likely the catalytic converter to blame. It can also be caused by an exhaust leak or a bad oxygen sensor. Check for vacuum leaks or other fuel mixture-related engine codes. Check for any exhaust leaks before the catalytic converter.Check your tires. Make sure they're properly inflated and check the wear patterns to make sure alignment is ok. Start by changing your driving habits to a more gradual acceleration and speed less. If you're still getting mileage in the low 20's then try the more technical solutions posted by others above.It is a 07 Accord SE (2.4L) Besides I got a P0420 code, but it is coming for a while and then it goes by itself. What does it mean? Thanks! #192 - Horacio - 10/08/2011 - 14:20. ... 2006 Honda Odyssey p0420. My malfunction indicator light came on about 900 miles ago. I took it to Autozone and they told me I have the catalyst efficiency below ... 2008 chevy tahoe seat covers The most common cause of a P0420 code is a worn catalytic converter, but this can differ depending on your specific model. These can cost over $1000 to replace, so before you replace it, make sure it really needs to be replaced. There are 4 main causes of P0420 that we need to check. Click on sections below to learn more about each possible cause.P0420 definition : Catalyst system efficiency below threshold (Bank 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 further damage to your emission system and possible engine damage. Diagnosis: The most common cause of …greg1c · #5 · Aug 8, 2014. Here is the information I will tell you about P0420 (bank 1) and P0430 (bank 2), as you know both codes for Catalyst system efficiency below threshold. The way the ECM determines this is from the waveform of the downstream (after the catalytic converter) O2 sensor. thank you for watching!!!!!If this video was helpful to you and if you would like to place a donation, here is my Venmo and PayPal information. Or I would re...DTC P0341 stands for "Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor)" This code is triggered when the PCM detects problems with the camshaft position sensor signal on Bank 1, and this is typically caused by a faulty CMP, bad circuitry, or a defective camshaft reluctor wheel.Jul 2, 2017 · In general the P0420/P430 code is really a bad catalytic converter. The issue is what cause the Catalytic Converter to go bad. You need to solve that problem before replacing a Catalytic Converter. That requires troubleshooting the current issue carefully. It may be as simple as a bad sparkplug or a bad fuel injector. 2 bedroom flat to rent watfordservice king collision galleria P0455 in the Honda Accord 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 Accord. But, whenever the check engine light is on, it's.Code P0171 Honda Tech Notes. If the P0171 is combined with the P0174 code, it's highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. If the problem persists, the A/F Sensor (Sensor 1) may need to be replaced.I have a 2004 honda accord ex 4cylinder. P0420 poped up 4 months ago.cleared the code with device. One month later it came on. Found a broken air intake hose replaced it.cleared the code once again then 73 days later check engine light came on with the same p0420.im starting to think it's not the catalytic converter. Because the light would of came on sooner.On a 4 cylinder, it's the only converter the car has. On a V6,, P0420 would refer to "bank 1" - the converter that is mounted past the exhaust manifold that services cylinders 1-2-3. There are other possible causes of a P0420 code on a Honda. There are some service bulletins related to P0420 codes. Some suggest engine processor reprogramming.The Fleet: Victus - 2012 Honda Accord - EX-L V6 - Crystal Black Pearl - 32k miles - Bought used in July 2022 with 23k miles Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles ... The P0420 code will continue to pop up on occasion while the problem persists.Now 10k miles later the P0420 code has been set again. There are two confusing things. (1) After warming up the catalytic converter by driving for about 30 mins on the highway I read the following temperatures with an infrared thermometer: converter input (read directly on the top O2 sensor - accessible from top of engine bay) ~ 390 degF.If your Honda Accord is overheating, the cause could be any of the vital elements of the cooling system. Those elements are the heat exchanger, fan, water pump, thermostat and coolant, according to Techauto.The P0420 code signals a low catalyst system efficiency. This code suggests that the oxygen levels are below the desired threshold (Bank 1), which most often results from problems with your car ... easy cat costume makeup The catalytic converter is in the line of the exhaust between the engine and the muffler. Its purpose is to reduce emissions from the exhaust with an efficiency level required by each state to control pollution. The check engine light will come on if it's below this threshold, determined by oxygen sensors that are located before and after the ...When all this first started I had a check fuel cap message. I replaced fuel cap with a Honda cap from the dealership. Still received fuel cap message months later. I always tighten cap until it clicks multiple times. I’ve thought about replacing the purge solenoid valve under the hood but hesitate because the Honda valve is over $100.00.Save. Like. princess · #4 · Mar 1, 2008. For DTC P0172, look for a stuck open EGR valve, tight valves, incorrect camshaft timing, low. compression, or leaking fuel injectors. For a V6: P0420: There's an article in the service news. This may also help.Check your tires. Make sure they're properly inflated and check the wear patterns to make sure alignment is ok. Start by changing your driving habits to a more gradual acceleration and speed less. If you're still getting mileage in the low 20's then try the more technical solutions posted by others above.Catalyst System Efficiency Below Threshold (Bank 1) is the meaning of the P0420 code. This code indicates that Catalyst System Efficiency (Bank 2) is below the threshold (P0430). The number one cylinder is located on the bank 1 side of the engine. In Bank 2, you will find the opposite side of the engine. P0420 and P0430 both showed up and are ... pictures of short black hairstyles That’s the way it’s supposed to be. When the downstream sensor begins to switch at the same rate as the upstream sensor, the P0420/P0430 codes are stored by the PCM to flag the failure of the catalyst to store oxygen. P0430 vs. P0420. The P0430 code’s mirror image is P0420, which applies to the converter on bank 1.Jun 11, 2021 · I will be replacing the catalytic converters on a 2007 Honda Ridgeline. This is the J series engine so the repair would be very similar for the Pilot, Odysse... The catalytic converter on your Honda Accord has two oxygen sensors. One oxygen sensor is positioned in front of the catalytic converter and the other oxygen sensor is positioned in the rear. ... it means that the oxygen levels are too high and the Power Control Module will then store the P0420 trouble code. This also tends to impact the ...P0420 HONDA Code - Catalyst System Efficiency Below Threshold Bank 1 Read more: https://www.autocodes.com ... Related questions 0 votes. 1 answer 459 views. I have the engine code P0420 on my 2001 Honda Accord ULEV. asked Feb 27, 2018 by anonymous. accord; honda; p0420 +1 vote. 1 answer 545 views. I got the engine codes P0420 and P1457 on my ... toyo open country mt tread life DTC P0341 stands for "Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor)" This code is triggered when the PCM detects problems with the camshaft position sensor signal on Bank 1, and this is typically caused by a faulty CMP, bad circuitry, or a defective camshaft reluctor wheel.What is the Cost to Diagnose the Code P0420 Toyota? Labor: 1.0. The cost to diagnose the P0420 Toyota 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 $150 per hour.If you have the O2 sensor (oxygen sensor) replaced, then it will cost you between $120-$150 per sensor. And that usually is separate from the catalytic converter. But the whole bill can run you between $1,000-$1,200 depending if you need the O2 sensor replaced or not. The only way to know if it needs to be replaced is that if the Check Engine ...P0420 Code: Catalyst System Efficiency Below Threshold (Bank 1) - In The Garage with CarParts.com Find out what a P0420 code means, how to diagnose this problem and the common fixes that you can do to resolve this trouble code.The 2006 Honda Accord is a midsize sedan that seats five. Coupe and sedan body styles are available. The coupe is available in two trims, LX and EX. The sedan comes in three models: VP, LX and EX. Buyers will choose between two engines, including a V6. Five-speed and six-speed manual transmissions, and a five-speed automatic transmission, are ... samsung dryer blackmagnetic ride control problems Now have P0420 code. - Answered by a verified Mechanic for Honda. We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. ... Accord EX: For Honda-Man only please. Now have P0420 code…Code P0171 Honda Tech Notes. If the P0171 is combined with the P0174 code, it's highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. If the problem persists, the A/F Sensor (Sensor 1) may need to be replaced.Below are the prominent reasons for the P0420 code. Catalytic Converter Failure: Catalytic converters remove pollutants from the Accord’s exhaust and might become jammed eventually. Exhaust System Leakage: Any significant leak from the exhaust system will result in PO420. Engine Temperature Detector: O 2 detectors lose range when the car ... loose curl braiding hair In today's video Mike and Drew review the ramifications of not dealing with a P0 420 trouble code on a 3.5 L Honda engine.Leaving it too long will cause cata...P0325 Code: Knock Sensor Malfunction (Sensor 1, Bank 1) - In The Garage with CarParts.com. P0325 is a trouble code identified with the malfunction of knock sensor 1 in bank 1. Read about what P0325 code means, its …Jay Safford. Automotive Mechanic. 16 years of experience. The code P0420 can be caused by the catalyst, O2 sensors before and after the catalyst. If both O2 sensors and catalyst was replaced then you may have an exhaust leak at the manifold or pipes. I suggest you have a mechanic like one from YourMechanic do a complete diagnostics of the code ...Hello all, I got a check engine light and subsequent code P0420. I cleared the code but when I took the car to my mechanic he wanted me to keep driving until the light came back on. ... Sold 2006 Honda Accord EX-L Coupe I4. Reply. Save. Like. L. lifesizebox Discussion starter ... Drive Accord forum, a community where Honda Accord owners can ... kudos diapers reviews Sep 15, 2020 · Can´t accelerate over 3000 RPM. My Honda Accord 2006 2.4L with over 130k miles has been leaking oil for a few months. After joining this forum I´ve found that the possible cause was the gasket on the VTEC solenoid. I planned to order the part and replace it, but never got to do it. 2 Weeks ago I noticed my oil level was low, so I added a ... There’s no cookie-cutter solution for troubleshooting a P0497 code. If you want to troubleshoot this code yourself, you’ll have to first identify its underlying causes. The same diagnostic and repair procedure may not work for all vehicles. What may work to resolve a P0497 code in a Honda might not work for a Volkswagen.My 2004 honda accord ex v6 6 speed manual transmission with a J32A3 motor swap, has the check engine light on. When i plugged in the dtc scanner it said that i had 8 codes p0171, p0174, p0420, & p0430 aswell as those same 4 codes again except with a p.d. at the end meaning that they were pending. ... P0420 Catalytic below efficiency Bank 1The most common fix for P0420 in the Acura MDX is a new catalytic converter, followed by an O2 sensor replacement. Before taking your MDX 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 Acura MDX: 1. Check for Other Codes. best stores to dumpster dive 2022power of your love Just got the CEL and coded for P0420. I've done the spark plugs and timing belt within the last 2 years closer to 100k. ... 110k miles - Bought brand new in August 2006, never any major repairs, possibly the most reliable Odyssey on the road Victus - 2012 Honda Accord - EX-L V6 - Crystal Black Pearl - 32k miles - Bought used in July 2022 with ...Code p0420 on 99 accord, 2.3 litre. - Answered by a verified Mechanic for Honda. ... code p0420 on 99 accord, 2.3 litre, is their a trouble shooting procedure? I dont want to hit or miss with $$ o2 sensors. Submitted: 13 years ago. Category: Honda. Show More. Show Less. Ask Your Own Honda Question. pink and purple watercolor background 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 ...The P0301 code means that cylinder #1 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 #1. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". Check if Honda has issued a Factory Service ...My 2010 Honda Accord v6 had the following code P0420 How many catalytic converters does that car has Which one is - Answered by a verified Mechanic for Honda. ... The ECL on my 2006 Honda Accord SE 4cyl has been coming on for the past couple of years at the same time of the year ...Arrives by Thu, Sep 21 Buy Replacement RH96090001 Oxygen Sensor Compatible with 2014-2015 Honda Accord 2006-2015 Civic 4Cyl 2.0L 1.8L Before Catalytic ...I'm driving a 1999 Honda Accord V6. We just did the EGR port enlargement and this came up after a week of driving "P0420 (Catalytic System Efficiency Below Threshold-Bank1)." It came on also a week after I changed the oil to Mobil 1 15W50 Extended Performance. My car has 200,000 miles on it with a rebuilt engine put in at 160,000.Aquí están todas las posibles causas de P0420: Convertidor catalítico dañado (más común) Convertidor catalítico no genuino. Colocación incorrecta del convertidor catalítico. Sensor de O2 delantero aguas arriba dañado / cableado defectuoso. Sensor de O2 trasero aguas abajo dañado / cableado defectuoso. Fuga de escape. heavy duty baitcaster I have a 2003 Honda Accord and I have 3 check engine lights on now. P0420 Catalyst system efficiency below threshold bank 1, P2646 VTEC oil pressure switch circuit low voltage, P1009 VTC advance malfu … read moreCauses of the P0134 Code. The most obvious cause of the P0134 code is that the oxygen sensor has failed. However, the code can also be initiated because of other issues that are normally related to the oxygen sensor. Here are a few causes to consider. Bad O2 sensor.Buy this o2 sensor - https://amzn.to/2DqtfbEPretty simple step-by-step walk through on how to change the Bank 1 Sensor 1 on any 2003-2007 Honda Accord V6. T... pypdf2 This page is meant to help you troubleshoot the Honda Accord 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. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of ContentsWhen your Accord has P2135, there are four main issues that cause it. They are the accelerator pedal position sensor, the throttle position sensor, a wiring issue, or a PCM issue. Of these issues, the PCM is usually the least likely unless there is a TSB (technical service bulletin) for your engine and model year.The most common cause of a P0420 code is a worn catalytic converter, but this can differ depending on your specific model. These can cost over $1000 to replace, so before you replace it, make sure it really needs to be replaced. There are 4 main causes of P0420 that we need to check. Click on sections below to learn more about each possible cause.Code P0420 emission station 1 2000 honda accord se 2.3 I replaced the crank sensor and the distributor and also bought a new catalyst converter. Posted by Arturo Gonzalez on Sep 28, 2015If you have the O2 sensor (oxygen sensor) replaced, then it will cost you between $120-$150 per sensor. And that usually is separate from the catalytic converter. But the whole bill can run you between $1,000-$1,200 depending if you need the O2 sensor replaced or not. The only way to know if it needs to be replaced is that if the Check Engine ... teenage boy haircuts Save. Pilot2003_1 · #4 · Mar 21, 2022. P0420 and P0430 just refers to bank 1 and bank 2. Bank 1 refers to the 3 cylinders in front of the car. Bank 2 refers to the 3 cylinders closest to the firewall. The 2006 has four O2 sensors, there is one upstream (before catalytic converter) and downstream (after catalytic converter) for both banks.Sorry to see you're having trouble with your Accord. Unfortunately, the P0420 is a fairly straight forward code and a fairly common Honda problem. This code points to a failing Catalytic Converter. ... The ECL on my 2006 Honda Accord SE 4cyl has been coming on for the past couple of years at the same time of the year ...Summary. If you have a Honda with a P0171 code, the ECM is reading a problem with the air/fuel ratio running lean. This is caused by too much oxygen or too little fuel in the system. There are several things that can cause the error, including a vacuum leak, O2 sensor, and fuel injector. Of course, it can also be wiring related to each component.Bank 2 typically refers to the opposite side. The P0420 code indicates an issue with the catalytic converter’s efficiency on Bank 1. If you encountered a similar problem with Bank 2, the OBD-II code would typically be code P0430. Always consult your vehicle’s manual or a trusted mechanic for specific details. P0108 MAP, P0122 TP sensor P0171, P0420 what are these code - Answered by a verified Mechanic for Honda ... Hello, I have a 2003 Honda Accord DX with the 2.4, automatic. ... getting a few codes on my ridgeline 2006 P0108, P0123, P0223 and P0420 They all point to either the MAP or the TP sensor, ...Dec 6, 2022 · Diagnosis: The most common cause of Honda Accord P0420 is a bad catalytic converter, but it can be caused by anything from a faulty oxygen sensor to a rich or lean running condition, or misfires. There are many variables that could cause this code. You can take your car into a shop, or click here to save money by fixing P0420 yourself with FIXD! hair salon surprisenike pink air max Hey guys! I decided to finally fix my CEL on my accord for the code P0420. Not much videos are on YouTube showing the process so heres my attempt! Next video... pippa middleton coronation See more info below about what is causing code P0420 on your car and w... How to fix code P0420 or lack of acceleration on Honda CR-V and other make and models.Sep 19, 2018 · The P0700 code in your Honda Accord is a generic OBD-II code that indicates a malfunction within the transmission control system. This code is not specific to any particular issue but rather points to a general fault in the system. Additionally, the P0700 code usually appears in conjunction with other transmission-related codes or shift ... Save. Pilot2003_1 · #4 · Mar 21, 2022. P0420 and P0430 just refers to bank 1 and bank 2. Bank 1 refers to the 3 cylinders in front of the car. Bank 2 refers to the 3 cylinders closest to the firewall. The 2006 has four O2 sensors, there is one upstream (before catalytic converter) and downstream (after catalytic converter) for both banks. birth chart whole sign calculator About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Code P0420 indicates that the catalytic converter is not functioning efficiently, therefore increasing the output of harmful pollutants by your Honda.. youtube.com. The P0420 code in a Honda Accord will often be thrown one of your oxygen sensors are not functioning properly.Typically, the code will be triggered by the upstream oxygen sensor (before the converter).GasDiesel Garage. JOIN GASDIESEL GARAGE AS WE DIAGNOSE AND REPAIR THE MOST COMMON CHECK ENGINE LIGHT TROUBLE CODE P0420 Catalyst Efficiency Below Threshold Bank 1 SENSOR 2 ON 2.4L ENGINE BUT...I have a 2004 honda accord ex 4cylinder. P0420 poped up 4 months ago.cleared the code with device. One month later it came on. Found a broken air intake hose replaced it.cleared the code once again then 73 days later check engine light came on with the same p0420.im starting to think it's not the catalytic converter. Because the light would of came on sooner.Jan. 10/2018: Check engine light = P0420 The shop assessed it to be catalytic converter, replaced with new direct fit cat.converter. ... Sent from my SM-N950U1 using Tapatalk. 2006 Honda Accord VP (I4) AT Original Owner Tur Ser 32 Plus 80,140,170;Batt 48,63,107,147,189 ...The codes are P0172 P0498 P0453 P0420 P0498 again? P0172 again? bump. Attachments. 20200718_162518.jpg. 1.5 MB Views: 384. ... 2006 Accord SE I4 5AT Sedan - Graphite Pearl - 155k mi. ... a community where Honda Accord owners can discuss reviews, service, parts, and share mods. Full Forum Listing. door stopper for carpet Honda Accord P0700 Definition. A typical transmission control module. The P0700 code in your Honda Accord is a generic OBD-II code that indicates a malfunction within the transmission control system. This code is not specific to any particular issue but rather points to a general fault in the system. Additionally, the P0700 code usually appears ...The P0507 code is related to your Honda Accord’s idle air control system. The idle air control valve (IAC) plays a crucial role in maintaining a smooth idle by regulating the amount of air entering the engine. It’s essential to maintain your Accord’s idle air control system to optimize engine performance and fuel efficiency.Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...