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 Toyota have Safety Recalls.P0401 is a very common OBDII trouble code that'll pop up in the Toyota Camry. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. ... P0401 will not affect the way your Camry runs. Related: P0420 Toyota Camry. Toyota Camry P0401 Symptoms. Most of the time, there will not be …Mar 22, 2013 · The P0420 (catalytic converter code) could just be an O2 sensor. Use your scan tool to check O2 sensor response. Like. J. JohnGD. 16382 posts · Joined 2009. #3 · Mar 22, 2013. P0401 is insufficient EGR flow. The problem may be the EGR VSV not turning the valve on or heavy carbon build up plugging up the EGR valve.P0420 camry sensor o2 toyota 2000 2001 converter catalytic 1997 sensors 1996 nation installed rusted bit post2003 toyota camry check engine light code p0420 I have a 2000 toyota camry 4cyl. with two engine light codes of p11352012 toyota camry.The P0440 code means that the control module has detected a leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0440 code. There is a factory service bulletin for the following Toyota models: 2003-2004 Toyota Corolla. 2003-2005 Toyota Matrix.Oct 1, 2014 · 2006 Toyota Camry LE (4 cyl) with 149,500 miles. All maintenance up to date. Over the past month, anytime I drive over 80 mph within 15 minutes, the CEL comes on with the code P0420.The cost to diagnose the P0420 2008 Toyota Camry 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.Jun 5, 2016 ... Here's how to modify your car's oxygen sensor to get rid of a P0420 OBDII code, clear the check engine light and pass an emissions test.Jan 31, 2024 · The Code P0420 in a Toyota Camry refers to a malfunction in the catalytic converter efficiency of the vehicle. This code indicates that the catalytic converter is not functioning properly, leading to increased emissions. Possible Causes of Code P0420 Toyota Camry. There are several factors that can trigger the Code P0420 in a Toyota Camry.P1135 Air/Fuel Sensor Heater Circuit Response (Bank 1 Sensor 1) is correct. I had the same code since 2010 until 2013. The day I changed O 2 sensor 1 upstream for my 2001 Toyota Camry (4 cylinder, 2.2L) the code was cleaned, and …Jan 2, 2016. #1. I have a 2002 Toyota Camry 2.4l that has a p0420 code. Trying to confirm whether it's a bad catalytic converter or not. The readings for the o2 sensors are at 2500 rpm o2s11 between .56 and .66v; o2s12 between 3.2 and 3.3v. They seem to fluctuate together. I did test the temp before and after cat and it seems to be …If the P0420 code returns have someone in her area check the O2 sensors for proper operation. ... Turns out that Toyota set the 'prescribed range' for the minimum difference in the sensor readings on the 2003 and 2004 Corolla very narrow. ... ToyotaNation Forum is a community dedicated to all Toyota models. Come discuss the Camry, Tacoma ...That what I have in my records: TSB No. EG013-04 Quote: “Some 2002 - 2004 model year Camry vehicles equipped with the 4 cylinder (2AZ-FE) engine may exhibit a M.l.L. ON" condition with Diagnostic Trouble Code (DTC) P0420 (Catalyst System Efficiency Below Threshold, Bank 1) in the Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM).Code P0441 in a Toyota Camry is typically caused by a faulty or malfunctioning Evaporative Emission Control System (EVAP) which is responsible for capturing and preventing fuel vapors from escaping into the atmosphere. This code often indicates a small leak in the system, such as a loose gas cap or a damaged EVAP canister.The “Check Engine” light in a Toyota Camry indicates that there’s a problem with the electronic engine control, electronic throttle control or electronic automatic transmission con...Good luck! The P0120 code on your Toyota Camry indicates an issue with the throttle position sensor (TPS). This sensor plays a crucial role in your car's performance, as it monitors the throttle valve opening percentage and provides input to the engine control module (ECM) to help regulate fuel and air intake. When the P0120 code is.First off, thank you to those who post replies. I really appreciate these forums. I have a 2000 Toyota Camry with 175 K. Last year the check engine light came on. Code was P0420 Catalytic Effeciency. Took it to one mechanic...he said the downstream O2 sensor was going. Didn't have to get it inspected yet, so I just let it go.71 posts · Joined 2014. #1 · Oct 14, 2015. Camry 2000: The check engine light was ON and I had 4 codes which say: P0420 Catalyst System efficiency Below Threshold Bank1. Was able to clear the code, so check engine light went away, but I'm thinking it might come back. Reading some related articles on internet suggests.Oxygen Sensor - The P0172 code is thrown when the B1S1 O2 sensor does not register the right amount of oxygen in the exhaust. The computer will still adjust the air/fuel mixture to compensate. A bad O2 sensor will show a lean mixture more often, though. Mass Air Flow Sensor - Your Camry's mass air flow sensor calculates the volume of air ...05/12/2024. When facing a P0420 code in your 2015 Toyota Camry, watch for the check engine light, decreased engine performance, and the specific diagnostic trouble code signaling catalytic converter inefficiency. Causes can include exhaust leaks, faulty O2 sensors, or a failing converter, possibly leading to power loss, reduced fuel economy ...2000 toyota camry time smog , replaced battery and had to set monitors for smog check, after driving 700 miles p0420 came as a code , replaced o2 sensors and front exhaust manifold with cat, been driv … read moreYou can find common Toyota Camry fault codes on this page that when clicked take you to a detailed description. ... Some common fault codes are: P0420 – A code that represents poor catalyst efficiency; this could mean that the oxygen levels are too low which can lead to problems with either the fuel or exhaust system.96 toyota camry 4 cyl check engine code P0420. Maintenance/Repairs. aprildawn July 23, 2008, 3:53pm 1. Replaced front exhaust pipe/catalytic coverter 3/06 with 100,000 miles due to check engine light code; now 120,000 miles 2 years later, light back on, code P0420 & toyota dealer says need new catalytic converter again. Does this sound possible?Fix code p0420 with only $60 toyota camry p0420 catalytic converter. 2008 toyota camry2010 toyota camry/c1331,p0793 intermidiate shaft speed sensor a no Chia sẻ hơn 87 về p0420 toyota yaris hay nhấtP0420 toyota camry catalyst system 2008 threshold efficiency bank below.I've had a persistent P0430 (similar code, but for the other O2 sensor) on a slightly older V6 Camry. It was caused by an exhaust leak from the rusted cat. Reply2003 Camry, LE 2.4L, L4, P0420 code. ... Even though the P0420 code is for Catalyst System Efficiency Below Threshold Bank 1, I would try changing the 02 sensor on the exhaust on the front of the engine before you spend a lot more money on a cat conv. ... ToyotaNation Forum is a community dedicated to all Toyota models. Come discuss the Camry ...hbasavar Discussion starter. 75 posts · Joined 2006. #1 · Mar 8, 2010 (Edited) Hello, I have a 2004 Sienna LE with 62k miles on it. Today, it just threw the CEL code of P0420 - Catalyst efficiency below threshold (Bank 1). I understand there are lot of reasons why this code could be thrown.I have a 97 camry 2.2 with 139,000 on the clock and is a california emissions model. I first got a check engine light at around 132,000. I got my scanner and pulled a the codes: P0420 (catalyst inefficientcy) P0170 (lean code) and a toyota only code P1133 (code for air fuel curcuit response).November 25, 2022 by Jason. P0401 is a very common OBDII trouble code that’ll pop up in the Toyota Camry. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output.2000 4runner P0420 code troubleshooting? Tk8398 HalfDork. 5/25/24 1:00 p.m. This is a 2000 4runner V6 manual with CA emissions. I know the code is for catalyst …What does Toyota Camry P0420 code mean ? P0420 means that Catalyst system efficiency below threshold (Bank 1). P in the p0420 abbreviation of "Powertrain". This group of OBD/2 codes is related in engine troubles. P0420 is …We have a 2003 Toyota Camry California emission and it has code p2423 which seems to point to the catalytic converter. - Answered by a verified Auto Mechanic. ... I have a 2000 camry 2.2L CA emission with P0420 code. LT fuel trims are high at idle, but drop to normal at higher rpm's. Also have noticed that cold start rpm's take longer to drop ...Aug 26, 2022 · Later on, we are going to discuss more about this. Now let’s cover the causes of the P0420 code. P0420 Toyota Camry Causes. So, we learned a bit about the definition of the P0420 Toyota Camry code, now let’s take a look at the causes for this code. As you probably know, everything happens for a cause and so is the case with this P0420 code.Jul 1, 2023 · Your code is P0420, it is absolutely the catalytic converter. The O2 sensors sense higher NOx or CO on the 2nd O2 sensors. if it is MAF related, it will be P01xx. @Gerg Placing any spacer in post Toyota 2008 will not do any trick. The ECU periodically send rich-lean-rich-lean mixtures intentionally to test if anyone cheat the O2 sensors.The P0420 code is a common OBD-II diagnostic trouble code that indicates a problem with the catalytic converter on a Toyota vehicle. It typically means that the catalytic converter is not functioning properly and may need to be replaced.2000 toyota camry time smog , replaced battery and had to set monitors for smog check, after driving 700 miles p0420 came as a code , replaced o2 sensors and front exhaust manifold with cat, been driv … read moreTrouble Code: P0420 Toyota - Catalyst System Efficiency Below Threshold Bank 1. System: - Three way catalyst converter Bank 1 - Exhaust tube ... 2010 Toyota Camry 2010 Toyota Auris 2010 Toyota 4Runner 2009 Toyota iQ 2009 Toyota Yaris 2009 Toyota Venza 2009 Toyota RAV4 2009 Toyota Matrix 2009 Toyota HiluxGet Free Shipping and save 25% on Amsoil: https://www.amsoil.com/offers/pc.aspx?zo=10458Find AMSOIL products for your vehicle: http://insaneoil.com/Learn how...Toyota Camry problems: Suspension problems like bad sway bar links and bushings, rear control arm bushings and rear strut mounts are fairly common. The repairs are not very expensive. ... A failed catalytic converter will cause the code P0420. The Toyota original part is expensive, but cheaper aftermarket parts are available.I having issues with this P0420 code I already changed the upstream o2 sensor and the same code popped up again. Anything will help me figure this out. ... ToyotaNation Forum is a community dedicated to all Toyota models. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more!2010 Camry P0420 Code Help. Hello I have a 2010 Camry with the 2.5l non hybrid engine. I had a P0420 code for a while and have replaced both cats and oxygen sensors but still have a code. Attached is a screen shot of my car data (after driving an hour). I noticed the current is negative indicated it’s running rich correct?But on the morning after the P0420 showed up, it was around 50°F and this time -- the initial idle started at 1600 rpm, climbed in a few seconds to 1800 rpm, then settled gradually back to normal warm idle. It varies somewhat depending on ambient temps, but never since that morning has cold idle been less than 1400 rpm, climbing to 1700-1800 ...Find your TRQ parts here: http://1aau.to/m/ETCG0420Eric the Car Guy is here! He's visiting TRQ to explain check engine codes to you! In this video, Eric the ...SOURCE: 2003 toyota camry P0420 is a cat code. Sometimes, you can replace the upstream & downstream air/fuel & O2 sensors, run some good fuel injection cleaner thru it, and that might fix the problem.The P0420 code signals a problem with the efficiency of the catalytic converter in the Toyota Camry. This component is responsible for reducing harmful emissions by converting pollutants into less harmful substances. When the catalytic converter fails to operate efficiently, it can lead to increased emissions and reduced fuel economy.I have a 2003 Camry I4 Auto (119,000 miles). On cold starts it blows a bunch of blue smoke out the tail pipe, which tells me I need new Valve Stem Seals. The car is also throwing a P0420 whenever we take it for any lengthy drives (20 miles plus). I am going to fix the leaking seals this week. My questions:Aug 8, 2018 · I. ironforger Discussion starter. 22 posts · Joined 2018. #1 · Aug 8, 2018. 03 Camry, 203k miles. Just bought this car. Cel came on yesterday. Pulled the codes, P0420. P0420 TOYOTA Catalyst System Efficiency Below Threshold Bank 1 ...P0420 2001 Toyota Camry Code - Catalyst System Efficiency Below Threshold Bank 1. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.To diagnose the P2420 Toyota 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 engine toyota po420 tacoma fix 2002 check light review shelly lighting P0420 suggestions P0420 corolla code itself. Troubleshooting Toyota DTC P0420 - Q&A for Sienna, Corolla, and More ... Catalyst efficiency p0420 system below toyota p0430 threshold bank camry code 2001 volkswagen description.'96 Toyota Camry P0420 Code Post by UCLAskratchin » Sat Feb 10, 2007 8:44 pm Hey everyone so i have a '96 camry and i went to autozone to use their codereader and i got code P0420 Catalyst Efficiency Below Threshold (Bank 1).How to fix a Toyota P0440 Code, "Evaporative Emission Control System Malfunction."Possible Causes of a Toyota P0440 Code:Fuel CapBad EVAP pressure sensor Wir...2001 toyota tacoma code p0420Camry p0420 code i4 Catalyst efficiency p0420 system toyota below threshold p0430 bank camry code 2001 volkswagen descriptionCar is a 2002 toyota 4runner utility. i am reading codes p1135 and.Moderator. Check the vehicle with a scan tool and CONFIRM it is a P0420. Try reseting the PCM or disconnect the negative battery cable for a couple of minutes and then drive the vehicle to get the code again. It takes a certain amount of time/speed to set the P0420 code, so it may come back….2002 Toyota Sienna with 83,000 miles. First sign of trouble was after starting the engine would just stop. 3 days later the check engine light comes on; take to dealer get codes P0420 and P0300. To ru … read moreA code P0420 may show up on a Toyota Camry from 2003 when the car’s computer detects that the catalytic converter is not working as efficiently as it should. There are a few reasons this could be happening, so it’s important to diagnose the problem correctly. The most common reason for a P0420 code is a problem with the oxygen sensor, but ...If you are a car owner, it is likely that you have encountered the dreaded check engine light at some point. One of the most common trouble codes that many drivers come across is c...Code p0420 engine toyota po420 tacoma fix 2002 check light review shelly lighting P0420 suggestions P0420 corolla code itself. Troubleshooting Toyota DTC P0420 - Q&A for Sienna, Corolla, and More ... Catalyst efficiency p0420 system below toyota p0430 threshold bank camry code 2001 volkswagen description.Apr 3, 2018 ... ... Cleaning oxygen sensor with carb cleaner/TOYOTA Camry 2017. AliMECH•3.8M views · 4:05. Go to channel · ✓ P0420 code fix permanent easy cheap 【&nbs...This page is meant to help you troubleshoot the Toyota Camry 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 ContentsAn exhaust leak can definately cause P0420. It's letting extra oxygen into the exhaust stream. There are pressure pulses AND suction pulses that suck air in through that leak. The converter won't work right unless the exhaust has just the right amount of oxygen content (very little).Dec 23, 2022 · A code P0420 may show up on a Toyota Camry from 2003 when the car’s computer detects that the catalytic converter is not working as efficiently as it should. There are a few reasons this could be happening, so it’s important to diagnose the problem correctly. The most common reason for a P0420 code is a problem with the oxygen sensor, but ...2000 Toyota Camry P0420 Woes. Post by arharp » Fri Apr 16, 2010 3:58 pm "Catalyst System Efficiency Below Threshold (Bank 1)" I've been dealing with this code for quite some time now. When it started I didn't notice any performance issues. My fuel efficiency may have dropped a little, but that's it. I have a CarChip so I configured it to ...Here's the diagnostic sheet for P0420: P0420 Toyota - Catalyst System Efficiency Below Threshold Bank 1. It normally points to the catalytic converter but it could be a leak or bad O2 sensor as well. The Camry catalytic converter normally last well past 100k miles. Early failure is not normal. 2017 Acura RDX Technology.P0420 code camry ugh toyota forum reply thanksToyota p0420 code p0136 engine sienna 2001 obd system catalyst ii threshold efficiency below warm source car P0420 code.....ugh!Toyota tacoma check engine light code p0420. Camry p04202000 toyota camry 2.2 i4, p0420 code, intermittent : r/mechanicadvice Camry p0420 code i4Toyota p0420 dtc: bank 1 ...business and permissions inquires [email protected]://www.patreon.com/Bodgitandleggitgaragehttps://www.gofundme.com/antilagforcosworthbodgit and...p0420 Code is back after replacing CAT. 10. Asked by Davidrmort Nov 10, 2015 at 11:43 AM about the 2001 Toyota Camry LE. Question type: Maintenance & Repair. About 5 months ago at 140K miles I had the downstream CAT replaced with. an aftermarket one because of the P420 Code. The check engine light.After seeing the P0420 code, most technicians will offer to replace yer catalytic converter with an aftermarket or the OEM one fer some big money. In some cases, the converter may not be the cause. ... ToyotaNation Forum is a community dedicated to all Toyota models. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more!Apr 8, 2024 · Toyota P0420 Code Symptoms. The most common symptom of the P0420 code are: 1. Check Engine Lights On. This is the most common symptom of the P0420 code. The catalytic converter is an emission control device, so when it’s not functioning properly, the Check Engine Light will come on until the problem is fixed. 2.The check engine light is on in my 98 toyota camry LE. The scan tool I used came back with 3 codes. p0170 (system too lean bank 1) p0420 (catalyst system efficiency below threshold (bank 1)) and p1133 … read moreMy daughter's 2011 Camry (158,000 miles) got a code P0420 on the first "long" trip its had since we bought it a year - Answered by a verified Toyota Mechanic. We use cookies to give you the best possible experience on our website. ... 2008 toyota camry 3.5. car come in with excessive temp on bank 2 cat. ...The local Toyota dealer told me the cat needed to be replaced for $1400 and there was no TSB for a P0420 code on a 2000 Camry. My local mechanic also diagnosed that the cat needed to be replaced and would charge me $550 for the repair. Based on advice from the knowledgeable folks on this site, I replaced the front and rear O2 sensors with Denso ...2004 V6 4WD Limited. 141k miles. Check engine and VSC lights came on today. Codes came up as: C1201 Engine Control System. P0420 Catalyst Bank 1. P0302 Cyl 2 Misfire. I noticed it seemed to be running a little rough the last couple of days on startup, but no issues otherwise.These are the temp reading from the pipe last night after running for about 15 mins. The car is throwing P0420 - Catalytic Converter Performance below threshold. There is an 02 Sensor on the back side of Cat. There is no rattle to any component of the exhaust. Given the age of the car, I'm willing to gamble it's the 02 sensor.2004 toyota matrix ZZFE/275k miles resides in FL P0420. Recently we have had some cold weather in Florida. Tampa 2017. P0420 came up on our matrix 2004. As pointed out in the forum the code explains : means the converter isn't working at peak efficiency Below Threshold Bank1.A failing converter is often the root cause of the P0420 code. Can a Low Voltage Input from the Mass Airflow Sensor Cause the P0420 Engine Code in a Ford F-150? When the mass airflow sensor explained is not functioning properly, it can result in a low voltage input to the engine, which can trigger the P0420 engine code in a Ford F-150. This ...P0420: This may indicate a bad "downstream" (after the catalytic converter) 02 sensor ... Question: I have a 2008 Toyota Camry getting code p0335. Put a new sensor in it, but still getting p0335. How do I fix it? Answer: Sounds like you have a …I have a 2003 Camry I4 Auto (119,000 miles). On cold starts it blows a bunch of blue smoke out the tail pipe, which tells me I need new Valve Stem Seals. The car is also throwing a P0420 whenever we take it for any lengthy drives (20 miles plus). I am going to fix the leaking seals this week. My questions:A code P0420 may show up on a Toyota Camry from 2003 when the car’s computer detects that the catalytic converter is not working as efficiently as it should. There are a few reasons this could be happening, so it’s important to diagnose the problem correctly. The most common reason for a P0420 code is a problem with the oxygen sensor, but ...The Toyota Camry is one of the most popular midsize sedans on the market today, known for its reliability, comfort, and fuel efficiency. With each passing year, Toyota continues to...The P0420 code is a common OBD-II diagnostic trouble code that indicates a problem with the catalytic converter on a Toyota vehicle. It typically means that the …business and permissions inquires [email protected]://www.patreon.com/Bodgitandleggitgaragehttps://www.gofundme.com/antilagforcosworthbodgit and...First off, thank you to those who post replies. I really appreciate these forums. I have a 2000 Toyota Camry with 175 K. Last year the check engine light came on. Code was P0420 Catalytic Effeciency. Took it to one mechanic...he said the downstream O2 sensor was going. Didn't have to get it inspected yet, so I just let it go.Toyota Solara P0420 Code Symptoms. The P0420 code in a Toyota Solara 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 Toyota Camry P0420 code mean ? P0420 means that Catalyst system efficiency below threshold (Bank 1). P in the p0420 abbreviation of "Powertrain". This group of OBD/2 codes is related in engine troubles. P0420 is …2006 Toyota Camry - P0420 trouble code. Jump to Latest Follow 13K views 20 replies 5 participants last post by searay_43 Dec 29, 2014. S. searay_43 Discussion starter 11 posts · Joined 2014 Add to quote; Only show this user #1 · Dec 15, 2014. Symptoms: Car "Surges" at any speed. Loss of power is significant. ...2000 toyota camry le with 2.2l has code p0420. Replace catalytic converter. Completed drive cycle got code p0136. - Answered by a verified Toyota Mechanic. We use cookies to give you the best possible experience on our website. ... "P0420 OBD II code on 2001 Toyota Sienna.Code P0420. Jump to Latest Follow ... ToyotaNation Forum is a community dedicated to all Toyota models. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more! Show Less . Full Forum Listing. Explore Our Forums.Diagnostic trouble code(DTC) P0420 stands for "P0420 Catalyst System Efficiency Below Threshold (Bank 1).". It indicates that the exhaust system's oxygen levels are below the required threshold in Bank 1, which can damage the engine's exhaust and fuel system. Bank 1 refers to the side of the engine that houses the number one cylinder.Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...I have a 2001 Camry with the 4-cyl, 5-speed. i was getting P0420 and P0446, and after reading gobs of info on this, replaced the canister. I am still getting P0420. After driving about 33 miles, the check eng light was back on.The check engine light is on in my 98 toyota camry LE. The scan tool I used came back with 3 codes. p0170 (system too lean bank 1) p0420 (catalyst system efficiency below threshold (bank 1)) ... 2001 Toyota sennia V6 P0420 code is it the O2 sensors or catalitic convert.Camry Gas Cap (2014-2016) – Genuine Toyota (part# 77300-07030) Camry Gas Cap (2017-2020) – Genuine Toyota (part# 77300-53030) The seals on gas caps tend to go bad after 5-10 years it seems. When I replaced my gas cap, the check engine light (CEL) went off (you will have to wait for about 1 tank fill-up before the CEL …. If the P0420 code is still present, then thP0420 Code - Tried Everything :-(Jump to Latest Follow ... First off, 2001 Camry P0420. Hello! I'm new here and I'll be the first to admit, I'm no Toyota expert. My fiancee has a 2001 Camry, 4 cyl LE model. It's white/silver if that matters. :lol: It's got about 75000 miles on it, and the apparently dreaded P0420 code has appeared, "Catalyst System Efficiency Below Threshold Bank 1."Toyota is partnering with Suzuki Motor Corporation, Daihatsu Motor Co. and Commercial Japan Partnership Technologies (CJPT) to build mini commercial electric. Toyota is partnering ... To diagnose the P0420 2001 Toyota Camry code, it typica 1996 Toyota Camry LE, 4 door sedan, auto, 5S-FE (4 cylinder) Problem. Check Engine Light (CEL) is on. P0420 code. Currently, Camry runs fine and gas mileage is okay so still driving car daily with CEL on. Unfortunately, this is not the first time to work on emission system. Background.2005 Camry P0420 Code 36k miles. I have a 2005 Camry with a P0420 code. I have replaced the downstream 02 sensor, catalytic converter. It has no exhaust leaks and the upstream 02 sensor resistance seems to be at spec. The Air fuel sensor resistance is at 2.8 ohms when cold. Generally, P0420 (Cat. efficiency code) is a result ...
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