Code p0420 toyota camry. 2003 Toyota Camry LE 2.4L with engine code p0420, what is the...

P0420 1997 Toyota Camry Code - Catalyst System Efficiency Below

In this video, you'll learn the causes and solutions of the P0420 code. The causes of the P0420 code are a bad catalytic converter, an ECM update, an exhaust...OBD-II code P0440 represents a general fault in the Evaporative Emission Control (EVAP) System. Basically, this code means that something in the EVAP system is broken. Another code will typically accompany P0440, often in the P044X chain (where "X" represents any number). Get your OEM filler cap here.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.FWD. AUTOMATIC. 95,000 MILES. Hello, I have a 2000 camry with 4 cyl engine and CA emissions. The car overheated due to broken water pump, and I replaced the cylinder head (in addition to pump and timing belt). The cylinder head was a rebuilt from a machine shop. Since the replacement the car starts and runs fine, but I got a p0420 code.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.Oxygen Sensor – P0130, P0133, P1133, P1135, P0141, P0171. Your Oxygen (O2) sensor monitors the exhaust gases to be sure the engine is running clean. Depending whether your car is a 4 or 6 cylinder you will have 2 or 4 of them. All of them must be replaced by one that is made for just that position.Gary, great answer. worked for me. 2002 Camry 233,880 miles. Replaced my flex pipe. codes came later indicating a vacuum issue. nothing visually wrong with the canister or the connections. Replaced the orig gas cap. Solved to this date. Thanks GaryI have a 2002 Toyota Camry 2.4l that has a p0420 code. Trying to confirm whether it's a bad catalytic converter or not. It's pretty much certainly the cat, especially if the vehicle has been driven repeatedly with a fuel-level below 1/4 tank. Large leaks in the exhaust either before or after the cat can also trigger a P0420.bull6791. 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.Aug 16, 2012 · 2002 Toyota Camry. 2AF-FE motor 2.4L. 5 speed manual trans. approx 167500 miles. oil change / filter change every 3000 miles. The P0420 code tripped off about 2 months ago. It reads Catalyst System Efficiency Below Threshold (Bank 1) The local Toyota dealer sates the first catalytic converter to be changed out.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. If not, you may need to replace the cat. Note that the cat is covered under warranty for 8 yrs/80,000 miles.Toyota is partnering with Suzuki Motor Corporation, Daihatsu Motor Co. and Commercial Japan Partnership Technologies (CJPT) to build mini commercial electric. Toyota is partnering ...Toyota Camry 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 car: P0420: Catalyst System Efficiency Below Threshold (Bank 1)P0420 code on 2004. 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.Help with P0420 code? 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.Use an OBD-II Scanner: Connect an OBD-II scanner to your Toyota Camry to confirm the presence of the P0420 code. Make sure there are no other codes that could be causing the issue. Step 2: Inspect the Exhaust System. Check for Leaks: Inspect the exhaust system for any signs of leaks, which can affect the sensor readings and throw the P0420 code.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.I've had my 02 Camry for a few months now with 96k miles. The car has been throwing P0420 and P0430 codes simultaneously for about 2k miles now. I've done some basic maintenance and the following:-New NGK Spark plugs-New Bank 2 Catalytic Converter -New Bank 2 Downstream O2 sensor I drove the car for 50 miles and all seemed well.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 ...2007 Toyota Camry "Check VSC System" and Check Engine Light On 1 Potential for failing PCV valve causing intermittant p0420 (catalyst efficiency below threshold)1999 Toyota camry code p0420. Fix code p0420 with only $60 toyota camry p0420 catalytic converter Check engine light code p0420 toyota corolla Diagnosing 2002 toyota camry p0420 and p0442 : cartalk. P0420 2007 toyota camry. 2007 camry p0420I have a 98 toyota camry with a 2.2 4 cyl, that has a p0420 code Camry p0420 20072007 camry p0420.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code TOYOTA P0172 Saving Repa...Pvt-Public. 4046 posts · Joined 2010. #3 · Apr 3, 2013. 9 times out of 10 the P0420 is just the downstream o2 sensor getting lazy. Or at least it was with both my 99 and 02 Camrys. not that expensive and fairly easy to replace. 2013 Camry XLE 3.5L A/T. 2008 BMW 650i Convertible 4.8L A/T. M.Engine-Codes - Toyota - P0420 2002 Toyota Highlander P0420 2002 Toyota Highlander Code - Catalyst System Efficiency Below Threshold Bank 1 - Code Popularity: 11,495 ViewsP0420 camry toyota catalyst system 2008 efficiency threshold bank belowDiagnosing 2002 toyota camry p0420 and p0442 : cartalk Camry dtc p0420 mil toyota 2004 infiniti ppt powerpoint presentation 2001Po420 dtc i have a 2005 toyota camry with a po420 code. i need.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).This subheading outlines the necessary steps to diagnose the P0442 code in a Toyota Camry. Step 1: Check the gas cap: Start by inspecting the gas cap to ensure it is tightly sealed. If it appears loose or damaged, replace it and clear the code to see if the issue resolves. Step 2: Inspect the EVAP system components: Thoroughly examine the fuel ...Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Low transmission fluid level. Dirty transmission fluid. Faulty shift solenoid 'E' valve. Shift solenoid 'E' valve harness is open or shorted. Shift solenoid 'E' valve circuit poor electrical connection.Service Engine Soon – Other than the heater not working, the only other symptom of P0128 is typically the service engine soon light itself. Slight Decrease in fuel economy – The P0128 code may also lead to a slight decrease in fuel economy. This is because your Camry’s engine is running at a cooler temperature than it should be.I have the infamous P0420 code on my 02 Camry I4 2.4L on and off for some time. I have bought wireless ODB II reader with Dash Command on iPhone/iPad to check AF/O2 sensor readings and fuel trim. ... toyotanation.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Content on toyotanation.com is generated by ...What is the Cost to Diagnose the Code P0420 1999 Toyota Camry? Labor: 1.0. The cost to diagnose the P0420 1999 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.Jan 31, 2024 · Understanding the P0420 Code. 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. The code is triggered when the downstream oxygen sensor detects an excessive ...Aug 20, 2020 · To diagnose the P0420 1999 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 $150 per hour.The P0420 engine code indicates the catalyst system efficiency is below the threshold (Bank 1). A P0420 code indicates a problem with the catalytic converter, more specifically. The purpose of the catalytic converter is to break down harmful pollutants created during the combustion cycle. By using fine platinum and gold meshes to filter exhaust ...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.P0420 code shows up in Toyota Corolla 2013 LE. ... Camry 3rd and 4th Gen '92-'01, Solara '99-'03 Camry 5th and 6th Gen '02-'11, Solara '04-'08 Tacoma 2nd Generation (2005-2015) Corolla 10th Gen/2nd Gen Matrix (2009-2013) Camry & Solara Lounge. Top Contributors this MonthWhen I've been dealing with a car with intermittent P0420/P0430 codes, that's where I've begun. Try adding it in a bit higher concentration that the bottle says, like a partial tank of gas, or even less. ... But one thing: that the torque pro could not get my 2016 Toyota Camry transmission fluid temperature, whereas the Foxwell could. The ...Labor: 1.0. To diagnose the P2610 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.AUTOMATIC. 91,000 MILES. I HAVE A 1997 CAMRY V6.I HAD TO REPLACE THE EXHAUST MANIFOLD PIPE. ON THIS CAR THE CONVERTER IS INCORPORATED INTO THE EXHAUST MANIFOLD PIPE. AFTER TWO MONTHS THE CODE P0420 CAN ON. CHANGE BOTH OXYGEN SENSORS. AFTER 3 CATALYTIC CONVERTER. CODE …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.Toyota Mechanic: mike c. Some 2002 – 2004 model year Camry vehicles equipped with the 4 cylinder (2AZ–FE) engine may exhibit a M.I.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).Common Toyota Camry Check Engine Codes. There are several common check engine codes that Camry owners may encounter. These include codes such as P0300 (Random/Multiple Cylinder Misfire Detected), P0171 (System Too Lean Bank 1), and P0420 (Catalyst System Efficiency Below Threshold). It is essential to familiarize …Aug 20, 2020 · To diagnose the P0420 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 $150 per hour.Get 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...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 ...This trouble code references a number that is given to you when you plug your Camry into an OBDII scanner. P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to …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.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.P0401 1998 Toyota Camry Code - Exhaust Gas Recirculation Flow Insufficient Detected - Code Popularity: 22,427 Views - Repair Importance Level: 2/3 - Repair Difficulty Level: 2/3. Table of contents. Created and updated by William Orellana on Dec 04, 2022. Possible Causes; Tech Notes;Apr 3, 2021 ... A Toyota master diagnostic technician shares tips on how to diagnose a bad catalytic converter P0420 and P0430 and addresses common ...Causes and fixes for a Toyota with a P0172 engine code: System too Rich – Bank 1Rich Mixture = Too much fuel, not enough airLean Mixture = Too much air, not ...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. ReplyP0420 code on 2004. 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.Oxygen Sensor – P0130, P0133, P1133, P1135, P0141, P0171. Your Oxygen (O2) sensor monitors the exhaust gases to be sure the engine is running clean. Depending whether your car is a 4 or 6 cylinder you will have 2 or 4 of them. All of them must be replaced by one that is made for just that position.2003 toyota camry check engine light code p0420 2009 toyota camry code p0420 i have change front catalytic converter P0420 toyota camry 2006. I purchased Camry 2003 1 week a go from the auction, it came with multi. Sensor lexus bank toyota camry es300 o2 solara avalon replace p0420 P0420 2001 toyota camry Troubleshooting toyota dtc p0420P0402 is an OBDII trouble code that'll pop up in the Toyota Camry. It has to do with the emissions system and stands for: ... (Toyota Camry or not). Related: P0420 Toyota Camry . Toyota Camry P0402 Symptoms . Most of the time there are not going to be symptoms when P0402 is triggered, other than the service engine soon light itself.Causes and fixes for a Toyota with a P0172 engine code: System too Rich - Bank 1Rich Mixture = Too much fuel, not enough airLean Mixture = Too much air, not ...The P0420 code will not cause driveability concerns unless the catalytic converter is clogged from melted converter. 92 Cressida 1.5JZ T56 (Project Sleeper), 05 Corolla CE 1ZZFE M/T (Spare), 05 Sequoia Limited 2UZFE A/T (Workhorse), 17 GX460 Premium 1URFE A/T (Luxury Daily)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.P0420 could be related to an air fuel ratio sensor on bank 1. This would be in the exhaust manifold. To get an accurate graph, disconnect the battery and reset your ecu. The short term fuel trim will be based on 14.7:1 air/fuel mix. In your original post, you mentioned that you cleaned your maf.The car is a 2005 Camry 2az-fe, Auto, USA built, CA emissions. It had 4 codes p0420, p0441, P0446 and p0455. We installed a new stant gas cap and cleared the codes. After one drive cycle the 3 evap codes have not come back.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 ...2005 Toyota Camry le 2.4l Check engine light code 2A00 and P0420 came on. Change O2 sensor upstream and drove for 60 miles and check engine light code P 0420 came on is that telling my catalytic conve ... Hello. I have a 2000 toyota 4runner and I am getting a p0420 code. I replaced both cats today, cleared the CEL, and after driving maybe 5 ...P0420 code 03 toyota corolla. Jump to Latest Follow ... Camry 3rd and 4th Gen '92-'01, Solara '99-'03 Camry 5th and 6th Gen '02-'11, Solara '04-'08 Tacoma 2nd Generation (2005-2015) Corolla 10th Gen/2nd Gen Matrix (2009-2013) Camry & Solara Lounge. Top Contributors this MonthThe 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 ...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….I have a 2000 toyota camry 4cyl. with two engine light codes of p1135 2000 toyota camry 2.2 i4, p0420 code, intermittent : r/mechanicadvice Toyota camry code p0420 Total cost with parts and labor to fix Toyota Camry 03 LE P0351Engine Code P0420 Toyota Camry engine-code-p0420-toyota-camry 3 Downloaded from legacy.ldi.upenn.edu on 2020-08-04 by guest behavior, is explained as normal functions followed by results of normal aging and expected problems. Chapter V, What You Can Do, covers everything from home care (diet and grooming to creature comforts), travel care and ...Aug 16, 2014. #7. There are MANY Toyotas with the P0420 code. My Sienna has the CEL on, it is the dreaded P0420 code. In the research I have done, the factory computer settings does not allow much degradation over time, so when the catalytic converter starts to age, it falls below threshold. That is what sets the light.Mar 20, 2008 · 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. It's pretty much certainly the cat, especially if the vehicle has been driven repeatedly with a fuel-level below 1/4 tank. Large leaks in the exhaust either before or after the cat can also trigger a P0420.2010 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?1997 Toyota Camry Engine Code P0420. I Love Reading Your Site And Now It Is My Turn To Ask You For Advice. I Have A 97 Toyota Camry 4 Cyl With A Code Of P0420 Catalyst...I had one of the Camry's that had the oil consumption problem to the point where it burned a quart of oil in under two hundred miles. Toyota fixed it at around 144,000 miles and the spark plugs were replaced and fouled many times. This p0420 code has come on and off with misfire codes prior to the piston ring repair, but now it is only p0420.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.Fix Toyota Camry check engine light code P0420 - YouTube. Check Details. 2014 Camry How-To: Dashboard Warning Lights | Toyota - YouTube. Check Details. Toyota Camry: Check Engine Light Causes | Camryforums. Check Details. Meaning of Common OBDII "Check Engine" Codes on the Toyota Camry. Check Details. Toyota Camry check engine light reset 2012 ...Toyota Mechanic: mike c. Some 2002 – 2004 model year Camry vehicles equipped with the 4 cylinder (2AZ–FE) engine may exhibit a M.I.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).Get 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...Hi, there. The check engine light came on two days ago on my 2001 Camry LE (four cylinder). The folks at Auto Zone read the code and said it was P0420. I searched the internet and discovered this statement: "We have found that using a higher octane fuel than the manufacturer recommends can cause red light problems.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...P0420 code Toyota Camry means that the catalytic converter is not working correctly. The code relates to the oxygen (O2) sensors on the Bank 1 side of the exhaust system before and after the catalytic converter.Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Low transmission fluid level. Dirty transmission fluid. Faulty shift solenoid 'E' valve. Shift solenoid 'E' valve harness is open or shorted. Shift solenoid 'E' valve circuit poor electrical connection.p0420 non-fouler experiment. originally, I had this problem on bank 2. The converter was replaced and all is well. But now I am getting an intermittent code on bank 1 sensor 2 for low catalyst. I bought a set of non foulers, and drilled one out, and screwed it on to any downstream sensor, and then screw the other one on to the first non fouler ...P0420 1997 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.Diagnostic code produces P0420 catalyst system efficiency below threshold-Bank 1. Probable causes are listed as follows: 1-air leak in exhaust be... 2000 Toyota Camry - P0420alt.autos.toyota.camry ... 2001 camry I4 SEDAN P0420 error helpToyota p0420 dtc: bank 1 location & code explanationCamry toyota p0449 2000 engine code check 2000 toyota camry 2.2 i4, p0420 code, intermittent : r/mechanicadviceHow to replace bank 2 o2 sensor on lexus es300, toyota camry, solara.Read Code Information: P0420 Code Catalyst System Efficiency Below Threshold Bank 1 A "P0420" code is related to the efficiency of the catalytic converter. It indicates that the catalytic converter's performance has fallen below the threshold set by the vehicle's OBD-II system.. If you want to replace the radio in your Toyota wi1999 toyota camry code p0420 Tacoma p0420 code toyot How to Fix a Toyota P0441 Code, "Evaporative Emission Control System Incorrect Purge Flow."Read here for more information on Toyota P0441 Engine Code: https:... Catalytic converters don't last forever. In this The check engine light comes on with codes C0210, C0215, The check engine light comes on with codes C0210, C0215, P0303, P0420. I have new spark plugs & a new coil for (3). The us running good now … read more. Camry LE, 4 cyl.:Read Code Information: P0420 Code Catalyst System Efficiency Below Threshold Bank 1 A "P0420" code is related to the efficiency of the catalytic converter. It indicates that the catalytic converter's performance has fallen below the threshold set by the vehicle's OBD-II system. Apr 5, 2016 · PO420 DTC I have a 2005 Toyota...

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