2007 toyota camry p0420

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 …

P0420 2007 Prius. Jump to Latest ... I have a friend with a 2007 Toyota Prius that got a P0420 code. I fixed the same code in my 2003 Toyota Corolla with a TSB that was issued. ... ToyotaNation Forum is a community dedicated to all Toyota models. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more! Show Less . …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 ContentsHere’s a good P0420 diagnostic order for the Toyota Tundra: 1. Check for Other Codes. The first thing you want to do when trying to fix P0420 in the Tundra 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 truck. Misfire Codes.cj1. 4798 posts · Joined 2014. #2 · Jan 5, 2020. The rear O2 sensor fluctuating along with the front O2 sensor is probably the reason for the P0420. Suspect cat has lost its efficiency. The pre cat sensor fluctuations don't look repetitive or sharp enough. Suspect needs new sensor if exhaust leaks not the cause. J.Toyota Motor said it was recalling about 838,000 Sienna minivans to fix an issue that may arise while operating the vehicles' sliding doors. By clicking "TRY IT", I agree to receiv...

P0420 codes catalytic conveter replacement2007 honda accord p0420 code Code p0430 honda accord 2010 v6 means trying find sensor qaP0420 honda accord 2007. Accord p0420 honda code2006 accord se codes p0420 & p0171 Random graphe: how i fixed the p0420 code on my 1998 honda accord exSigns you need a new catalytic converter when you get a p0420 ...P0420 Code After Recent Repairs: 2008 Toyota Camry General Changed the valve cover gasket, PCV valve and PCV valve hose on my 2008 Toyota Camry 2.4l I4 (2AZ-FE engine) about a week ago. Was excited to do real work on my car for the first time. Put about 120-150 miles on the car since then (No problems) and saw the check engine light come on ...The catalytic converter is part of the exhaust system in Toyota Camry and its main purpose is to convert exhaust gases like carbon monoxide and hydrocarbons that are harmful to health and the environment into less harmful byproducts, like carbon dioxide and nitrogen gas. ... If you see any fault code from P0420 to P0424 or from P0430 to P0434 ...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 ContentsThe P0455 is a quite common code because the code is set if the gas cap is loose or missing. Start by tightening the gas cap and clearing the code. In most cases, the code can be cleared by disconnecting the car battery for about 30 minutes. There is a factory service bulletin for the following Toyota models: 2003-2004 Toyota 4Runner.

Camry 2007 toyota engine cylinder 4l le dohc 16v vvt gtcarlotCamry toyota 2007 2009 2008 hybrid engine 4l cylinder system 2006 gas fuel return air jbcarpages power Q&a: 1999 toyota camry brake line, engine, transmission & exhaust diagramsToyota camry 2007-2011: pros and cons, common problems.TOYOTA CAMRY 2003 02 SENSOR BANK 1 SENSOR 1 REPLACEMENTP0420 camry bank code catalyst toyota 2007 threshold below efficiency 2002 Toyota engine code p0420 I have a 2000 toyota camry 4cyl. with two engine light codes of p1135. 2001 Toyota Rav4 02 Sensor Repair (P0420 and P0430 codes) PASS SMOG.Catalyst efficiency p0420 system below toyota p0430 threshold bank camry code 2001 volkswagen descriptionObdii code p0343 2007 toyota camry Camry with evap codes p0441, p0442, p0446 and p04552008 toyota camry le color code photos. P0420 2001 toyota camryI purchased camry 2003 1 week a go from the auction, it came with multi P0420 o2 ugly sensor ...

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Causes. A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for. An oxygen sensor is not reading (functioning) properly. The engine coolant temperature sensor is not working properly. Damaged or leaking exhaust manifold / catalytic converter / exhaust pipe.Code 2008 camry toyota color le gtcarlot 2007 toyota camry has p0793 drives fine shifts good but sometime with Toyota camry p0420 bank 2008 catalyst system threshold efficiency below. I have a 2007 toyota camry. the check engine light is on and the code. Sparky's answers Camry engine idle accelerate past Toyota p0401 code flow tell hasMar 13, 2019 ... Oxygen sensor replacement on a 2010 Toyota Camry, Upstream oxygen sensor. Always buy OEM when in doubt. Replacement oxygen sensor ...6 posts · Joined 2017. #1 · Apr 1, 2017 (Edited) 2004 Camry LE with 2.4 L 16 valve engine (one o2 sensor in front of engine) We got the dreaded code P0420 indicating bad O2 sensor / Catalytic converter. We already had tried changing the o2 sensor and the light returned. It made no sense to me the catalytic converter could be bad.Labor: 1.0. The cost to diagnose the P0172 2007 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. Most auto repair shops charge between $75 and $150 per hour.I had an issue almost just like this, except the p0420 code. Sprayed starter fluid around injectors, throttle body, pcv, intake manifold on started cold engine..no change in RPM sound. ... TOYOTA CAMRY (2002 - 2006) TOYOTA CELICA (2000 - 2005) ... TOYOTA ECHO (2000 - 2005) TOYOTA FJ CRUISER (2007 - 2009) TOYOTA HIGHLANDER (2001 - 2010) TOYOTA ...

2002 Toyota Camry 4 cylinder Two Wheel Drive Automatic 94,000 miles. my car was running good I went to good year for fuel injector because its cost me $40.00, they did three step injecting work and spark plug change, also air filter my gas tank was less then half tank after all work done. I filled the tank after driving about a hundred miles.Check engine light code p0420 toyota corolla2003 toyota camry p0420 code fix P0420 camry bank code catalyst toyota 2007 threshold below efficiency 2002Camry scan 2003. ... Tsb for p04202003 toyota camry p0420 bank 1 P0420 camry sensor o2 toyota 2000 2001 converter catalytic 1997 sensors 1996 nation installed rusted bit postCamry toyota p0449 ...In this new Maintenance IQ, Andrew Markel discusses all the factors that may play into clearing a P0016 code.👍 The alignment of your camshaft and crankshaft...Toyota camry 2007 hybrid sensor p0136 oxygen bank malfunction circuit auto momentcar Camry toyota p0402 p0401 Toyota camry hybrid p0136. ... 1997-2001 toyota camry p0401 diagnostic P0420 toyota code engine tacoma check light camry 4l 4cyl nation 2003 forum corolla2001 v6 camry repairs p3/3. 2004 Toyota Camry V4 2.4L / Inspection - YouTube.El código OBD2 P0420 es uno de los problemas más comunes en los vehículos. Este código indica una disminución en la eficiencia del sistema de catalizador del vehículo y puede tener varias causas, como problemas con el sensor de oxígeno, el convertidor catalítico y el sistema de escape.. Los síntomas más comunes incluyen problemas en la aceleración y aumento del consumo de combustible.Labor: 1.0. To diagnose the C1241 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.The common causes of the P0420 code on a Toyota are a worn or old catalytic converter, antifreeze or oil seeping into the exhaust system, leaks in the exhaust system, and faulty spark plugs. This code on a Toyota means there’s an issue with your car’s catalytic converter. Other causes include unburned fuel in the exhaust, a faulty …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.

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.

To diagnose the P0420 2007 Toyota Highlander 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.2008 Camry P0171 running lean, High LTFT 23% , sometimes P0420. 2008 Camry 2.4L, non hybrid. 230k miles. Engine piston rings replaced at 170k miles, under the recall. Not burning any oil now. Getting P0171 Engine running lean, I believe that also causes P0420 to be set at the same time. LTFT 23% at idle 700rpm and at rev 2500rpm.Mar 13, 2019 ... Oxygen sensor replacement on a 2010 Toyota Camry, Upstream oxygen sensor. Always buy OEM when in doubt. Replacement oxygen sensor ...bfcorolla Discussion starter. 275 posts · Joined 2015. #1 · Sep 7, 2015. Hi, 1999 Corolla CE, 170k miles, check engine light came on today. Took it to AutoZone and it came up as PO420. Was wondering what experience you all had with a similar code.Mario G Discussion starter. Code po420 is catalyst inefficiency code. 9 times out of 10 it is the cat converter. You have to confirm it’s actually the cat convert by using a scan tool and graphing both the upstream and downstream oxygen sensor. The job of the oxygen sensor after the cat converter is to let you know if the cat is working or not.Toyota P0420; VW P0420; Help Us Help You. ... 2007. Miles: 295000. Engine: 2.4l. 6. Reply. Editor. Benjamin Jerew. 5 years ago. Reply to Bassam . Congrats on pushing your Camry past the typical service life! Judging by the age and mileage, P0420 could be caused by an exhaust leak, lazy post-cat oxygen sensor, or spent cat. ...Camry p0420 converter catalytic check Camry p0420 2007 Camry sucks imgflip 2001 catalyst. OBD Codes Archives - Cars & Wrenches. P0420 toyota camry catalyst system 2008 threshold efficiency bank below 2000 toyota camry 2.2 i4, p0420 code, intermittent : r/mechanicadvice Эмулятор катализатора toyota camry 3.0 (2005)Furthermore, the P0420: considered a catalyst efficiency issue, could have been caused by this. How Much Does It Cost To Replace A Head Gasket On A 2007 Toyota Camry? Photo by – carid. The cost to replace a head gasket on a 2007 Toyota Camry can vary depending on the mechanic and the specific car parts that are needed. …Unlike the Tesla Model S battery, the Toyota Prius battery is light and easy enough for thieves to steal in 20 minutes. By clicking "TRY IT", I agree to receive newsletters and pro...Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Camry's engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test.

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The emision treshold for Toyota hybrid is much lower than regular cars and there is a reason why the original cat is so much more expensive. It is because it contains much higher catalyst quantity and quality. The only way to solve P0420 is installing original catalytic converter.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...Labor: 1.0. To diagnose the P0172 2007 Toyota Camry 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 …Check engine light code p0420 toyota corolla2003 toyota camry p0420 code fix P0420 camry bank code catalyst toyota 2007 threshold below efficiency 2002Camry scan 2003. ... Tsb for p04202003 toyota camry p0420 bank 1 P0420 camry sensor o2 toyota 2000 2001 converter catalytic 1997 sensors 1996 nation installed rusted bit postCamry toyota p0449 ...2007 Toyota Camry - Bank 1 Sensor 1 - P0031 - V6 - 02 Sensor - YouTube. Check Details. I have a 2000 Toyota Camry 4cyl. with two engine light codes of P1135 and P0420, should I just. Check Details. 2003 Toyota Camry - Overview - CarGurus. Check Details. Cập nhật hơn 86 xe camry 2003 mới nhất - thdonghoadian.Code Tech Notes. As the code description implies the P0430 code means that the vehicle's Engine Control Module (ECM) has detected that the Three-way Catalyst Converter is not working properly (it is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases, the Three-way ...Mario G Discussion starter. Code po420 is catalyst inefficiency code. 9 times out of 10 it is the cat converter. You have to confirm it’s actually the cat convert by using a scan tool and graphing both the upstream and downstream oxygen sensor. The job of the oxygen sensor after the cat converter is to let you know if the cat is working or not.This page is meant to help you troubleshoot the Toyota Tacoma P0420 trouble code. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. ….

Labor: 1.0. To diagnose the C1241 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.If the upstream sensor fails it can set the fuel mixture in a way that "could" trigger a P0420 CEL due to huge amounts of unburnt fuel (running very rich). But the downstream sensor is the one that triggers the P0420 code. Again this is 10% likely. The "high performance", "high flow" cats do less work, have less media so exhaust gasses spend ...Dec 15, 2014 · Both the P0102 and P0113 are MAF sensor related. It's most likely the intake air temperature sensor is damaged or there is a problem with the MAF wiring. I would remove and inspect the MAF sensor first. The P0420 code will not cause driveability concerns unless the catalytic converter is clogged from melted converter. When you agree to a lease on a Toyota vehicle, you are agreeing to pay monthly payments for the term of the lease. If you die during the lease, your estate or a cosigner on the lea...Feb 6, 2014 · P0420 problem. I was told by my repair shop that toyota had a fix for that, but when i went in to toyota to get it done. i was to late. it was a 80,000/10 year thing and i had 85,000 miles on car. the fix was that toyota was to reprogram the computer for free. they wanted 400.00 to do it. i went out and bought a code eraser for 40.00 dollars ... ⭐ 2003 toyota corolla s Corolla toyota Toyota corolla 2009 code p0505 idle control system Code p0420 on 2005 corolla. well, i've closed the thread on the 2000P0420 code. This means that the secondary O2 sensor detects that the catalytic converter isn't working as efficiently as it should. This engine code can be triggered by any one of the following: 1.) The catalyst in the catalytic converter is cracked, clogged, or otherwise damaged. 2.)3 روز پیش. 2007 300,000 km GLX. تهران / فرمانیه. 1,600,000,000. به روزترین آگهی های خرید و فروش و قیمت تویوتا کمری GLX مدل 2007 در استان تهران | قیمت خرید تویوتا کمری GLX مدل 2007، صفر، کارکرده، دست دوم، نقد … 2007 toyota camry p0420, This article applies to the Toyota Camry (1997-2011). ... Catalytic Converter - P0420. Your convertor must function properly to pass an emission test. Your Camry has two or more converters that must operate correctly to meet emissions requirements. If you must replace one of them, it is a good idea to get an exact fit one for your car as a ..., P0420 problem. I was told by my repair shop that toyota had a fix for that, but when i went in to toyota to get it done. i was to late. it was a 80,000/10 year thing and i had 85,000 miles on car. the fix was that toyota was to reprogram the computer for free. they wanted 400.00 to do it. i went out and bought a code eraser for 40.00 dollars ..., Oct 12, 2014 · P0420. After the engine and the catalyst are warmed up, and while the. vehicle is driven within the set vehicle and engine speed range, the waveforms of the oxygen sensors (bank 1 sensor 1 and. bank 1 sensor 2) have the same amplitude. (2 trip detection logic) Trouble Area: Gas leakage on exhaust system. , P0032 is a not-too-common, generic, OBDII trouble code. It indicates that your Toyota Camry's heated oxygen sensor (which we'll be referring to as HO2S a lot) is sending a signal to the PCM that is outside of its normal operating range. In this case, the signal is higher than it should be. Terminology: HO2S- Heated., Toyota / Camry / 2000 / P0420; P0420. 2000 Toyota Camry. Asked by hahafunny2me in Mohegan Lake, NY on . April 24, 2009. Diagnostic code produces P0420 catalyst system efficiency below threshold-Bank 1. Probable causes are listed as follows: 1-air leak in exhaust before rear H02S 2-AF sensor error, Sep 14, 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. I read the code and erase it. The funny thing is typically I'm getting very good gas mileage during that tankful when the CEL comes on. , Jan 30, 2024 · When the Toyota P0420 code appears, there are several symptoms that may accompany it. These include: 1. Check Engine Light: The most obvious symptom is the illumination of the check engine light on the vehicle’s dashboard. This serves as a warning sign that there is an issue with the emissions system. 2. , Toyota camry 2007 hybrid sensor p0136 oxygen bank malfunction circuit momentcarP0014 toyota camry 2010 P080307aP0011 toyota camry. Camry toyota 2003Total cost with parts and labor to fix toyota camry 03 le p0351 Code p0014 camshaft over advanced or system performanceP0705 code: transmission range sensor circuit malfunction (prndl input. ..., If you want to replace the radio in your Toyota with an aftermarket stereo, the first step is to remove the factory-installed radio. This may look like a daunting task at first gla..., 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. It seems to be driving fine at this point, aside from vibration from a failing U-joint on my drive shaft., The Diagnostic Trouble Code (DTC) P3190 is set if following conditions continue at a fixed engine RPM or for a fixed length of time: -Communication with HV ECU is normal. -Engine RPM is a fixed value or more. -Engine start mode is not active. -Target torque is at a fixed value or more. -Ratio of estimated torque against target torque is less ..., Camry engine idle accelerate past P0420 2008 toyota camry Second opinion) 2008 camry 3.5l has following codes: p0057, p0161. P0420 Toyota Camry 2003. Check engine light code p0420 toyota corolla I have a 2000 toyota camry 4cyl. with two engine light codes of p1135 P0420 camry bank code catalyst toyota 2007 threshold below efficiency 2002, Dec 21, 2012 ... Visit me at: http://www.ericthecarguy.com/ O2 Sensor Video: https://www.youtube.com/watch?v=NIzcztO-CCs Discussion about this video: ..., 2001 Camry P0303 and P0420, Stalling. I hope you all had a good weekend. I have a Camry 2001 (Automatic transmission/V4/Gas) with around 167000 miles on it. The check engine light was on for some times and I had to replace a sensor near the engine block (similar to EGR sensor) and the light was gone. After almost 5000 miles the light came back ..., stevieray1 on December 25, 2014. first check very good for vaccum leak.open hood and start car,listen for hissing noise,air escaping from vaccum hoses.run your hand around all vaccum hoses and listen for a change in motor,also check gas cap seal,if seal is cracked or cap is not tight it will throw a code.vaccum leaks will sometimes throw false ..., P0420 2001 Toyota camry. So I've been working on this for a while now. Its 2001 Camry 2.2L and had P0420, I've replaced cat and still has issue with P0420. Ive checked both oxygen sensors and front one which happens to be AFR sensor is staying at same range/lean and back one/post cat is showing proper wavelength/output signals., 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., The code came up 'P0420' What should I do? 2000 Toyota Camry. Asked by 00Victor in San Bernardino, CA on . September 08, 2014. ... 2000 Toyota Camry Estimates. Air Conditioning Receiver Drier Assembly Replacement ($354 - $461) in Mandeville, LA. Radiator Fan Motor Replacement, 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…., P0420 2013 Toyota Camry SE 2.5. Hey I have a 2013 Toyota Camry SE 2.5. I purchased the car last yr in July. I've been progressively modifying the car every chance I get. Well a couple months back I purchased a Dezod Motorsports Green Header from a 2011 + Scion TC well imediately we had to cut the collector off the Header and weld it to make it ..., toyotapartsdeal.com seems to say the older 22204-0D030 was found in 2002-2006 Camry, 2003-2008 Corolla, 2003-2008 Matrix, 2004-2007 Sienna, 2004-2008 Solara, 2005-2009 Tacoma, and 2004-2009 Tundra. The older 22204-0C020 was found in 2005-2006 Scion xA, 2005-2006 Scion xB, and 2006-2018 Toyota Yaris. So did anything change really?, Technická poznámka. Jak kódový popis znamená, že kód P0420 znamená, že řídicí modul vozidla zjistil, že třícestný katalyzátor nefunguje správně (není tak účinný, jaký očekává výrobce). Výměna snímačů kyslíku (O2) může někdy opravit kód, ale ve většině případů je nutné vyměnit katalyzátor za ..., Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ..., 2002 toyota camry code p0420 Camry with evap codes p0441, p0442, p0446 and p0455 Toyota p0420 code sienna Toyota camry code p0420 ... it came with multiObdii code p0343 2007 toyota camry. Efficiency catalyst p0420 system below toyota p0430 threshold bank camry code 2001 volkswagen description2013 chevy equinox p0420 code P0420 2001 toyota ..., 5 posts · Joined 2021. #1 · Dec 25, 2021 (Edited) My 05 Camry LE V6 1MZ-FE with 210K miles recently threw P0420 (Bank1) and P0430 (Bank2) codes at the same time. Since catalytic converter issue was a likely scenario, I replaced the Bank 2 catalytic converter (easier access to replace) with OEM part 25052-20170 (bought it from Dealer) to make ..., 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. , Why the 2004-2009 toyota prius sets a p0a93 trouble codeAdvice for parent's 07 prius: p3000, p0420, p0a80, c1311 2008 toyota prius with codes p0a08.p0a09 dc/dc converter status circuitP0420 on 2007 toyota prius with 188k miles. P0420 toyota camry 2006$5 non-fouler on oxygen sensor pass smog p0420 toyota corolla matrix√ ¿cómo puedo saber si ..., Toyota Passenger and Sports Car Forums. Camry and Solara Forum. Camry 5th and 6th Gen '02-'11, Solara '04-'08. P0420 problem. Jump to Latest Follow 1K views ..., 2001 Camry, P0420, and Air Intake Hose. Hello, everyone. I own a 2001 Toyota Camry LE 4-cylinder automatic with 190K miles. A few months ago, everything was fine with my car, and had been for a few years, ever since buying the car used at the local Toyota dealership. Then, one morning, I stopped for gas before work., The common causes of the P0420 code on a Toyota are a worn or old catalytic converter, antifreeze or oil seeping into the exhaust system, leaks in the exhaust system, and faulty spark plugs. This code on a Toyota means there's an issue with your car's catalytic converter. Other causes include unburned fuel in the exhaust, a faulty oxygen sensor, and bad roads., 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., Toyota P0420; VW P0420; Help Us Help You. ... 2007. Miles: 295000. Engine: 2.4l. 6. Reply. Editor. Benjamin Jerew. 5 years ago. Reply to Bassam . Congrats on pushing your Camry past the typical service life! Judging by the age and mileage, P0420 could be caused by an exhaust leak, lazy post-cat oxygen sensor, or spent cat. ..., Replacing both downstream O2 sensors eliminated the P0420/P0430 codes. I've driven about 200 miles with no codes, no pending codes, and no issues reported in mode 6. The O2 sensor still moves up and down when driving, but is stable at about 0.7 volts when at idle. The cats and air/fuel sensors still have 200k miles on them, so I …