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2007 toyota camry p0420 bank 1 - OBD II fault code P0420 is a generic code that is defined as “Catalyst System Efficiency Below Thres

The P0171 code indicates that the oxygen (O2) sensor on bank 1 sent a signal t

2007 Dodge Grand Caravan SXT - 3.8L - 198K miles 2009 Pontiac G3 - 81K miles 1984 Honda Nighthawk CB650sc - 32K miles 1990 Toyota Camry - 287K miles - [SOLD]What is the Cost to Diagnose the Code P0420 2006 Toyota Prius? Labor: 1.0. To diagnose the P0420 2006 Toyota Prius 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.P0420 camry bank code catalyst toyota 2007 threshold below efficiency 2002. ... 2003 toyota camry p0420 bank 1. Toyota camryCamry americanwarmoms p0430 v6 catalyst 2003 toyota camry check engine light code p0420Camry toyota p0420 5th generation.Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich.The FSM states that the P0420 code is a two trip detection logic. Probably the best thing to do is to disconnect the ground cable of the battery for a minute, let the code memory reset, and see if it comes up again. former owner 98 Camry LE, 2.2L, automatic. 54k miles, drop in K&N A/F, :hammer: ... timing belt, water pump, NSS.P0420 camry bank code catalyst toyota 2007 threshold below efficiency 2002Camry toyota p0420 5th generation P0420 bad catalytic converter replacement toyota camry √Obd codes archives. P0420 toyota camry 2007 order qa lean rich2000 toyota camry 2.2 i4, p0420 code, intermittent : r/mechanicadvice Fix code p0420 with only $60 toyota camry p0420 ...P2196 O2 Sensor Signal Stuck Rich Bank 1, Sensor 1; ... P0420 - Catalyst System Efficiency Below Threshold Bank 1. P0441 - EVAP System Incorrect Purge Flow. P0446 - EVAP System Vent Control Circuit.How to fix a Toyota P0137 Code, O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2).O2 Sensor removal tool on Amazon: https://amzn.to/3w6vqdAwww.backyardmechanic...With your Bluetooth scanner, monitor the O2 sensors. They should be oscillating. If it remains flat, then the O2 sensor is bad. It would be a good idea to change both O2 sensors. For the misfire, swap coil pack from cylinder 4 with 1 of the other 3. If the misfire goes to cylinder 4, then your coils are failing.P0420 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code. Here's the technical definition for your truck: P0420: Catalyst System Efficiency Below Threshold (Bank 1) Catalyst System Efficiency. Your Ranger's exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses.Fix code p0420 with only $60 toyota camry p0420 catalytic converter P0420 and ugly o2 sensor 06 camry p0420 code catalyst efficiency below threshold (bank 1 Camry with evap codes p0441, p0442, p0446 and p0455 ... 2008 camry 3.5l has following codes: p0057, p0161P0420 camry bank code catalyst toyota 2007 threshold below efficiency 2002.2007 Tundra CM SR5 5.7 2WD TRD Slate SOLD Skyjacker 6" lift, BFG KO 305/65R18 (33.7"x12.2") XD Hoss Chrome 18x9 +30 offset, Go Rhino Dominator II Nerf Bars, Debadged, AFE Pro Dry Drop-in Craven Speed Stubby Antenna, HomeLink Rear View Mirror, Ranch Hand Grille Guard, Custom Spintech Muffler, Pioneer head unit, RF shallow mount sub, Hypertech ...How to fix a Toyota P1135 Code, "Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1."Possible Causes of a Toyota Code P1135:Bad O2 Sensor 02 Se...What Does Code P0420 Mean? OBD II fault code P0420 is a generic code that is defined as “Catalytic Converter System Bank 1, Efficiency below Threshold”, and is set when the PCM (Powertrain Control Module) detects that the catalytic converter on Bank 1 is operating below a minimum allowable efficiency threshold.Code P0420 Description. The Engine Control Module (ECM) uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air-fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst information to the ECM.2003 toyota camry p0420 bank 1 2003 toyota camry p0420 code fix. 24 Jul 2023. ... it came with multi codes. the codes wereP0420 code toyota camry 2002 lex Check engine light on p0031. 2007 toyota camry 2.4, stays on, replaced a/f sensor. checkedI have a 02 toyota camry, v6, with just over 200k miles. i got a p0420 code, and it was. ...To diagnose the P0420 2004 Toyota Prius 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.For reference, here's what the factory service manual say are the possible causes or trouble areas for that code: - Gas leakage on exhaust system. - A/F sensor (bank 1 sensor 1) - Heated oxygen sensor (bank 1 sensor 2) - Three-way catalytic converter. Basically what all that is saying is that your catalytic converter (s) is/are probably going ...I checked my 2003 camry, and I got P0420, which means Catalyst Efficiency Below Threshold Bank 1. ... 2007 Toyota Camry SE 2GR-FEA code 171 suggest a maf issue, a vacumm leak issue or a fuel delivery issue. run some techron in it, clean the maf and check for leaks if that does not work change the fuel filter and do a fuel presure test. I got the code P0171 recently and searched several forums for the definition and solution.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. I revved for 1 min, no significant LTFT change. Rarely car won't start.What is the Cost to Diagnose the Code P0420 2010 Toyota Camry? Labor: 1.0. To diagnose the P0420 2010 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.The bank 1 sensor 1 O2 sensor pumping circuit was lower than the minimum acceptable value and needs replacing. Just got a quote from the dealership for $515 to replace to replace the O2 sensor bank 1 sensor 1. The part from the dealership cost $269.59. Like.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...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 ...October 08, 2022. The code P0420 - Catalyst Efficiency Below Threshold (Bank 1) means that there is a problem with the catalytic converter of the Bank 1. The code P0430 means the same fault for the Bank 2 catalytic converter in an engine with two cylinder banks (e.g., V6 or V8). The catalytic converter or "cat" is a key component of the vehicle ...P0420 Code - 2000 Camry. I have a 2000 V6 5-Speed Manual Transmission Camry with 192000 miles on it. I haven''''t had any major mechanical problems with the car yet except for routine maintenance. My check engine light has been on for some time and had the codes checked, which indicated that I needed a new O2 sensor.To diagnose the P0420 2000 Toyota Echo 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.Here's a good P0420 diagnostic order for the Toyota FJ Cruiser: 1. Check for Other Codes. The first thing you want to do when trying to fix P0420 in the FJ Cruiser 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 vehicle. Misfire Codes.Toyota camry trouble code p1135Toyota camry questions Camry p0420 code i4P0020 bank code toyota camry cargurus helpful mark replace sensors trouble got need. Toyota camry bank 1 sensor 1 locationToyota camry engine v6 p0430 sensor code light se check front pipe catalyst P0420 camry sensor o2 toyota 2000 2001 converter catalytic 1997 sensors ...The most common fix for P0420 in the Toyota Highlander is a new catalytic converter, followed by an O2 sensor replacement. Before taking your Highlander 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 Toyota Highlander: 1. Check for Other Codes.Diagnose. Difficulty of Inspecting. Get Additional Help. The P2A00 code refers to an issue that the Power Control Module (PCM) detects with the voltage readings given by the oxygen Sensor 1 on ...transmission: automatic. type: pickup. 2008 TOYOTA TACOMA V6 *Pickup*. Your Cash Is Your Approval! ☏ (253) 465-7729. 🚗 Wilson Motors. 📍 18501 Pacific Ave, Spanaway , WA 98387. 🌏 Click here for more details about this car.I have a 2007 toyota camry. the check engine light is on and the code 2003 toyota camry p0420 bank 1 I am getting a p0446 code in a 2001 toyota camry(3.0l). code has been 2003 Camry (2.4 4-cyl.) Rough idle, car stuttering, engine light ONOct 12, 2018 · Here’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.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). The ECM (PCM) logic has been modified and a ...P0343 2007 Toyota Camry - Camshaft Position Sensor 'A' Circuit High. ... Toyota camry p0420 code2003 toyota camry p0420 bank 1 P0420 2008 toyota camryCar is a 2002 toyota 4runner utility. i am reading codes p1135 and. P0420 catalyst system efficiency below threshold bank 1 toyota.2002 Toyota Camry engine code P0420. Just had my transmission fixed at 92,000 miles. Now whats WRONG with my - Toyota 2002 Camry Solara question. Search Fixya ... The bank 1 sensor 2 O2 sensor is either providing a higher than expected signal or is switching like the sensor 1 O2's. If either of these has occurred the PCM detects that the cat is ...Replace CAT (Bank 1) 2003 Chevrolet Silverado 1500 5.3L: Replace CAT (Both) 2001 Honda CR-V LX 2.0L: Replace CAT/IAC valve: 2002 Subaru Outback 2.5L MIL Lamp on: Replace CAT/O2 sensors: 2001 Toyota Camry LE 2.2L: Replace CAT/O2 sensors: 2002 Nissan Altima 2.5L: Replace CAT/PCM reflash: 2002 Chevrolet Impala 3.4L: Replace CAT/rear O2 sensor ...What causes the P0140 code? The ECM determines that the O2 sensor has no activity. The O2 sensor for Bank 1, Sensor 2 does not respond (does not have a voltage change between 410-490 mV) to the fuel cutoff or fuel enrichment signals from the ECM for more than 74 seconds. The O2 sensor and mass airflow sensor comparison is misinterpreted by the ECM.The P0171 code indicates that the oxygen (O2) sensor on bank 1 sent a signal to the engine control module that the air-fuel mixture is too lean to be corrected. The O2 sensors have the ability to correct a fuel mixture of +-15%. If it needs to be corrected more than that, the P0171 code will be stored.238 posts · Joined 2016. #3 · Sep 9, 2018 (Edited) Some clarification: P0420 references the passenger side (aka Bank 1 in this case) and does not necessarily state if it is sensor 1 (air/fuel sensor) or sensor 2 (O2 sensor). If you have more than 120k (random but high number of) miles, I would change both.Codes read were P2238 and P0420. O2 sensor (bank 1 sensor 1). So they sold me the "upstream" O2 sensor and away I went. The sensor they gave me didn't match the one I was seeing in the exhaust manifold (my idea of "upstream"), so I took it back to confirm. From what they could tell me there appears to be an O2-A/F sensor in-manifold …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 ...Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...P0420 2007 Toyota Camry. 0 votes . 1.7k views. asked May 25, 2018 by M. ... P0420 Catalytic below threshold Bank 1. The best way is to use a scan tool and see what the 02 sensor are doing, In order to have a working catalytic convertor you need a proper working 02 sensor, The front 02 sensor or the upstream 02 is the engine management …Code P0420 is related to the efficiency of the catalytic converter, an essential component in reducing harmful emissions. Understanding the causes and potential solutions for this code is crucial to maintaining your Toyota Camry's performance. Join us as we explore possible reasons behind the code and provide valuable insights to help you ...P0420 P0430 How to locate your BANK 1 or BANK 2 Cat Convertor, Here is the best way to find your bank 1 cat convertor. p0420 catalyst system efficiency bel...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...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 …Code (P0420 Bank 1) 2004 Camry LE 4cyl, 80,000 miles. Hey guys. My son is getting another code P0420 Bank 1. Autozone is saying catalytic converter, but I'm seeing it can also mean one of the o2 sensors in front or behind it. About a month ago we were getting P0301 and thanks to your help guys, we were able to fix with a new coil.Mar 21, 2024 · The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. The engine control module (ECM) uses two O2 sensors, one in front, and one behind ...I have bank 1 sensor 2 reading 0 v and bank 1 sensor 1 reading 3.2 something Now it's reading 0.6 but it also fluctuate on sensor 2 Toyota Mechanic: Mike V. , auto technician replied 8 days ago Well, the rear sensor should be making some kind of voltage, the clean air through the converter is what produces the voltage, when the Oxygen modules ...Getting code P0420 bank 1 on Cali 2000 4Runner Limited. Is it oxygen sensor or catelytic converter? ... I get P0420 too on my '99. Mine comes on between 300-400 (after reset) and a couple thousand miles. ... ToyotaNation Forum is a community dedicated to all Toyota models. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and …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 ...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.2005 toyota camry 2007 camry p0420 P0420 bad catalytic converter replacement toyota camry √ Camry p0420. ... P0420 2001 TOYOTA CAMRY - Catalyst System Efficiency Below Threshold Bank 1. Check Details. 2000 Toyota Camry 2.2 I4, P0420 code, intermittent : r/MechanicAdvice. Check Details.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) Catalyst System Efficiency. Your Camry's exhaust contains hydrocarbons, carbon monoxide, and other harmful ...It's a 2012 toyota camry LE. 2 weeks ago the car got a P0137 code (bank 1 sensor 2 O2 sensor). I ordered the part but it took a week for it to come from rock auto and so it was driven for a week. All of a sudden the car started hesitating and especially up the hill. The o2 sensor comes, I change the sensor.Code P0420 Toyota Description. The Engine Control Module (ECM) uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air-fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst information to the ECM.The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. The engine control module (ECM) uses two O2 sensors, one in front, and one behind ...P2271 is a diagnostic trouble code (DTC) for "O2 Sensor Signal Stuck Rich Bank 1 Sensor 2". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154 ...Nov 21, 2023 · OBD II fault code P0420 is a generic code that is defined as “Catalytic Converter System Bank 1, Efficiency below Threshold”, and is set when the PCM (Powertrain Control Module) detects that the catalytic converter on Bank 1 is operating below a minimum allowable efficiency threshold. Note that “Bank 1” refers to the exhaust system on ...What is the Cost to Diagnose the Code P0420 2008 Toyota Camry? Labor: 1.0. To diagnose the P0420 2008 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.TOYO_HammerMan. 79 posts · Joined 2011. #2 · Jan 17, 2012 (Edited) Ok..P0171 &P0174 are both triggered by the downstream O2 sensors. Let's forget about P0420 for now, because if you get the first two cleared, maybe, again.."maybe" P0420 wiill clear itself. A dirty MAF sensor is usually the culprit for P0171 &174.72triple said: Bank 1 Cat is located on the fire wall side of the engine. Generally Bank 1 and Bank 2 have naming nomenclature as Cylinder 1 = Bank 1, Cylinder 2 = Bank 2. The number 1 cylinder on these lumps is fire wall side, passenger end. Upstream = pre cat, Downstream = post cat. This is all true except the part in bold above.If your Camry is equipped with the 4 cylinder (2AZ-FE) engine, you may notice a M.L. P0420 (catalyst system efficiency below threshold, bank 1) is on condition in the Engine Control Module (ECM) of the Diagnostic Trouble Code (DTC) in the Engine Control Module (ECM). This device contains a power source control module (PCM).P0420 Toyota Camry 2007. Toyota camry How to fix toyota p0420 engine code in 3 minutes [3 methods / only $19.99] P0420 toyota camry 2007. P0420 Catalyst efficiency below threshold (bank 1) | Toyota Tacoma Forum. Second opinion) 2008 camry 3.5l has following codes: p0057, p0161, p0300, c1201, c1231, c0365 2007 camry p0420 P0420 …October 08, 2022. The code P0420 - Catalyst Efficiency Below Threshold (Bank 1) means that there is a problem with the catalytic converter of the Bank 1. The code P0430 means the same fault for the Bank 2 catalytic converter in an engine with two cylinder banks (e.g., V6 or V8). The catalytic converter or "cat" is a key component of the vehicle ...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.Faulty Three-way Catalyst Converter Bank 1 Faulty Air Fuel Ratio (A/F) Sensor Bank 1 (Sensor 1 or Front Sensor or Upstream Sensor) Faulty Heated Oxygen …P0172 toyota camry codeP0456 code toyota corolla Gas cap toyota 4runner2007 toyota camry p0456 code. Second opinion) 2008 camry 3.5l has following codes: p0057, p0161I have a 2007 toyota camry se v6. i had a bank 1 sensor 1 fault p0328 Camry p0420 toyota catalyst system efficiency threshold bank belowToyota p0456 highlander p0442. Check Details244 posts · Joined 2006. #2 · Apr 5, 2007. Ashish, P0420 means inefficient catalyst system, which could mean bad catalytic converter, but this code can also be triggered by bad O2 sensors. On your car, there is 2 oxygen sensors: bank 1 in the front of the catalytic converter and bank 2 at the end of the cat.2003 toyota camry p0420 bank 12003 toyota camry p0420 bank 1 P0420 toyota camry 20012002 toyota camry 248k miles. got a p0128 on the obd2 scanner. is this. ... P0420 toyota camry 2003. P0343 2007 toyota camryCamry 4l p0420 P0420 catalyst system efficiency below threshold bank 1 toyotaCheck engine light code p0420 toyota corolla.Attached: P0420 DTC (a.k.a. MIL or CEL) - from the Service Manual. Includes page 12-5 (emissions) for the ohm values for both the A/F (O2B1S1) & O2 (O2B1S2) sensors. This code is for the sensor reading difference across upstream catalytic converter only that is integrated into the exhaust manifold. TSB EG013-04.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...2009 Toyota Camry Hybrid P0420 Catalyst System Efficiency Below Threshold (Bank 1) O2 sensor 1 bank 2 problem catalytic convertor issue.To diagnose the P0138 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.To diagnose the P0420 2004 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.What Does Code P0420 Mean? OBD II fault code P0420 is a generic code that is defined as “Catalytic Converter System Bank 1, Efficiency below Threshold”, and is set when the PCM (Powertrain Control Module) detects that the catalytic converter on Bank 1 is operating below a minimum allowable efficiency threshold.Super Springs. Don`t forget this P0420 code is the ECM t, bull6791. Code po420 is catalyst inefficiency code., Labor: 1.0. To diagnose the P0420 Mazda code, it ty, P0420 Diagnosis: Toyota Corolla. The most common fix for P0420 in the Toyota Corolla is a new catalytic co, Causes. A code P0420 may mean that one or more of the following has h, To diagnose the P0420 2004 Toyota Highlander code, it typically requires 1.0 hour of labor. The specific dia, Toyota camry 2007 hybrid sensor p0136 oxygen bank malfunction circuit auto momentcar. 2000 toyota camry 2.2 i4, p04, To diagnose the P0172 2007 Toyota Camry code, it typically requires 1, Unlikely said: My CEL is showing code P0365. Sienna 2007 X, 2002-2009 2AZFE Camry Bank 1 Sensor 2 Identification an, 4 posts · Joined 2019. #1 · Aug 3, 2019. Last , Toyota camry trouble code p1135Camry 4l p0420 Toyota camry cod, 244 posts · Joined 2006. #2 · Apr 5, 2007. Ashish, P0420 mea, P0420 causes fixNissan dtc p0420: bank 1 location, alt, October 08, 2022. The code P0420 - Catalyst Efficienc, That would point to a bad sensor. If you repeated the 0, 77 posts · Joined 2007. #1 · Apr 7, 2013. , 2004 toyota matrix ZZFE/275k miles resides in FL P0420. Recently w.