P0430 lexus gs300

Jan 1, 2020 · JOHN aka Eauto. self employed. High School or GED. 25,484. Lexus ES300: I have a 1999 Lexus ES 300. Three codes I am getting. I have a 1999 Lexus ES 300. Three codes I am getting are P0420, P0446 and P0171. It seems the Po446 is related to the vapor Canister.

2007 lexus ES 350 108,000 lights on, scanned got p0420, & p0430 codes showing both o2 sensors & both cats bad. Reset codes, filled w/ 1/2 tank non ethonal gas & drove 30 miles hard. lights didn't come …codes. GS - 2nd Gen (1998-2005) - Check Engine code P0430, Mechanic says need new cat - I have a 2003 GS300 with 160K miles. Check engine, VSC, VSC OFF lights came on this past weekend. I went to my mechanic yesterday and he said his computer is showing code P0430 which he says its for the catalytic converter and ill need to...I have a 2001 Lexus LS 430 with 285,000 miles. Engine is running bad at idle, Showing OBD codes P1354,P0302,P0304,P0306, P0308 and the VSC Off light is on along with the Engine light. Just cahnge the plugs...2007 lexus ES 350 108,000 lights on, scanned got p0420, & p0430 codes showing both o2 sensors & both cats bad. Reset codes, filled w/ 1/2 tank non ethonal gas & drove 30 miles hard. lights didn't come …How to Troubleshoot Toyota C1201 Code? You must use three related codes to erase the C1201 code. They are as follows: The P0455 (Evaporator Emission Control leak detected, a big leak or no purge flow), and P0441 (Evaporator Emission control system incorrect purge flow and C1201 Engine control system Malfunction).Notes: Rear, Verify EFN (Engine Family Number) found on emission label on vehicle. Catalytic Converter. 4TYXV03.0VMD. Certification level : LEV1 low emissions vehicle. Direct-fit California OBDII converters. CARB executive order D-193-124.

eugenez. Regular Member. 7. Lexus Model: ES300. Author. Posted October 5, 2010. The code is P0440 and P0442. Both of those are for Small Evaporation Leak. Got to autozone and get them to read the code (s).Cars & Trucks. Lexus. GS 430. 2001 Lexus Gs 430. Code p0430 on lexus... Share on Facebook. Share on Twitter. Share on Pinterest. Share by Email.Equip cars, trucks & SUVs with 2004 Lexus GS300 Catalytic Converter from AutoZone. Get Yours Today! We have the best products at the right price.Wide-ranging upgrades have strengthened the appeal of the Lexus UX 300e, the urban crossover launched three years ago as Lexus’s first all-electric model. These revisions enable the UX 300e to go further between charges; raise the cabin’s aesthetic appeal, comfort, and convenience; and make the car – Lexus’s “Creative Urban Explorer ...FYI this code is identical to P0430 however that code is for bank 2. You may even find you have both P0420 and P0430 trouble codes at the same time. ... I just had a check engine and VSC light come up on my 98 Lexus GS300 yesterday. So i took it to autozone to get them to tell me what was causing it. once the Autozone tech hooked the …This page is meant to help you troubleshoot the Lexus IS 300 P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. …May 19, 2011 · P0430 = Catalytic converter system, bank 2 - efficiency below threshold. Were there any other codes? It just seems strange that both have tripped a code at the same time. When was the vehicle last given a major service? Try these cheaper checks first. - Use a good quality Catalytic Converter cleaner that you add to the fuel.

1999 Lexus GS300. Asked by kazoom99 in Riverview, FL on . May 19, 2010. have 99 lexus gs 300 check engin light on has bad cat converter which one is a bank 2? there is two of them bolted on engine block or one looks like mufler right on center of the car thanks . 1 reply Report. Answer.=====Claim your FREE error code eraser 👉 https://free.nonda.co 👈== How to Fix P0430 Error Code ====Error Code P0430 Saving Repair ...2006 Lexus gs300 RWD.Originally had code p0430 for bamk 2 catalytic converter. So i removed the header manifold with the cat and cleaned with a hose and water then i reinstalled it. Now i have code p0 … read moreP0430 code definition P0430 is a generic diagnostic trouble code that indicates a malfunction within the catalyst system. It may been seen with misfire codes and oxygen sensor codes. ... Lexus IS250 V6-2.5L - Check Engine Light is on - Mableton, Georgia Arrived early which was great. William was courteous, and attentive to the issue. Even ...Lexus GS 300 / Lexus GS 250 / Lexus GS 430 / Lexus 450h / Lexus GS 460 Club ; Engine & Transmission ; Odd start up issue (& P0430 code) - GS300, Mk3 Odd start up issue (& P0430 code) - GS300, Mk3. By OJWM November 22, 2021 in Engine & Transmission Share More sharing options... Followers 1. Reply to this topic; Start new …

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PT. SAERAH SURYA PERKASA Company Profile | Kota Surabaya, East Java, Indonesia | Competitors, Financials & Contacts - Dun & BradstreetCode P0446 Lexus Description. The Evaporative System ( EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid valve responds to signals from the Engine Control Module ( ECM ). When the ECM sends an ON signal, the coil in the solenoid valve is energized.Now for the Causes for these codes: Common Problems That Trigger the P0171 and P0174 Code. PCM software needs to be updated. Vacuum leaks (Intake Manifold Gaskets, vacuum hoses, PCV hoses, etc.) Mass Airflow Sensor (MAF) Plugged Fuel Filter or weak Fuel Pump. Plugged or dirty Fuel Injectors.Code P0446 Lexus Description. The Evaporative System ( EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid valve responds to signals from the Engine Control Module ( ECM ). When the ECM sends an ON signal, the coil in the solenoid valve is energized.Are you in the market for a new Lexus? If so, you’re likely looking for the nearest Lexus dealership to you. Fortunately, finding the closest Lexus dealership is a simple process that can be completed in just a few steps.January 4, 2023 by Jason This page is meant to help you troubleshoot the Lexus IS 300 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.

Лексус Клуб България Начало форум Модели на LEXUS Lexus GS / ES / SC Lexus GS300 / GS430 / GS450h / GS350 / GS460 - Gen 3; Lexus GS300 (s190) - P0420/P0430 Catalyst System Efficiency Below Threshold. Модератор: Lexus2002 Lexus GS300 175K Miles Symptoms: (1) terrible gas mileage and (2) check engine light - pulled codes p0420 and p0430 I used a scantool application to pull the codes and monitored the OS 2 sensors' …P0057: Oxygen Sensor Heater Control Circuit Low Bank 2 Sensor 2. P0161: HO2S22 Heater Circuit Malfunction. Would appear your rear O2 sensor is going. That is independent of the C1201 code which is an engine control system malfunction. I'd replace that o2 sensor and the codes will likely go away.1999 Lexus GS300 126,000 mi, Visitor. check engine light came on around 100K miles and OBD2 indicates it is related to evap charcoal canister. At 126K miles still no solution. Car runs perfect. Learned to live with CEL on : (. 2001 Lexus GS300 154,000 mi, Visitor. P0440 Evap system fault.The cost to diagnose the P0304 Lexus 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. Search for P0304 Lexus Questions and Answers: Search here ...Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/225/d/gas-capsIn the video, 1A Auto shows how to inspect and replace a lost or broken gas cap as part ...The code reads P0430 and have changed sensor before and light came back on. What's the next step? Which after market parts would you recommend to use or to stay away from? ... 06 - 12 Lexus GS300 / GS350 / GS460 ; Check engine code: P0430 what now? Theme . IPB 4.6 (Default) IPB 4.6.1 Theme .Jan 5, 2010 · Bought a used 2006 GS300 about 4 months ago. After about 1 month, the check engine light came on in addition to the Check VSC message. Took it to the Lexus dealer, and they replaced the gas cap (multiple posts in this forum about the gas cap issue). After a week or so, check engine/VSC came back ... Hi, P0446="EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL CIRCUIT" (Open or close malfunction in CCV - 2 trip detection logic). Quote. "MONITOR DESCRIPTION. The ECM tests the Evaporative Emissions (EVAP) system using the fuel tank pressure sensor, Canister Close Valve (CCV), and EVAP VSV. The …

The P0430 fault code is a common one, and it stands for catalyst system efficiency below the threshold (Bank 2). This means that the catalytic converter on bank 2 exhaust manifold isn’t functioning efficiently and is sending excess pollution into the environment. There are a couple of things that can cause the P0430 code, and the check engine ...

2007 lexus ES 350 108,000 lights on, scanned got p0420, & p0430 codes showing both o2 sensors & both cats bad. Reset codes, filled w/ 1/2 tank non ethonal gas & drove 30 miles hard. lights didn't come … read moreAug 23, 2022 · Labor: 1.0. To diagnose the P0121 Lexus 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. 08-25-05 08:30 AM. Tags. p0420, p0430. GS - 3rd Gen (2006-2011) - GS300 cat problem - Hi, dear Lexus users, I am facing down by P0430 code. I am aware of possibile causes : - Gas leaks from exhaust system - Air fuel ratio sensor (sensor 1) - Heated oxygen sensor (sensor 2) - Front exhaust pipe assembly (TWC: Front and rear catalyst) - EGR valve ...Replacing the catalytic convertors, and exhaust system on the Lexus IS250 and IS350 requires removing the oxygen sensors. Normally taking out these sensors r...In Abilene TX, the codes were P0128, P0430 and P0420. Finally got it to a Lexus dealer in El Paso, who reported codes P0128 and P0420. ... I have a 2001 GS300 Lexus with 118,000 miles, my check engine light came on about a month ago, when I had it checked they indicated that there was a problem with the catalytic system. ...How to replace the Bank 2 Sensor 1 O2 Oxygen Sensor on the following models. 1997-2001 Lexus ES 300, Toyota Camry 1997-2001, Toyota Solara 1999-2001 and Toy...Latest Posts; Home ; Forums ; Lexus Owners Club - Lexus Forums ; Lexus LS400 / LS430 / LS460 / LS500h / LS600h Club ; 90 - 00 Lexus LS400 ; Catalyst System Efficiency Below Threshold (bank 22004 Lexus GS300 Oxygen Sensor; 2004 Lexus GS300 Fuel Cap; 2004 Lexus GS300 Canister Purge Valve; 2004 Lexus GS300 Exhaust Pipe; 2004 Lexus GS300 Muffler; 2004 Lexus GS300 Exhaust Flange Gasket; 2004 Lexus GS300 Canister Vent Valve Solenoid; 2004 Lexus GS300 Exhaust Manifold Bolt & Spring; 2004 Lexus GS300 Exhaust Manifold; 2004 Lexus GS300 ...

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Cars & Trucks. Lexus. GS 430. 2001 Lexus Gs 430. Code p0430 on lexus... Share on Facebook. Share on Twitter. Share on Pinterest. Share by Email.Wide-ranging upgrades have strengthened the appeal of the Lexus UX 300e, the urban crossover launched three years ago as Lexus’s first all-electric model. These revisions enable the UX 300e to go further between charges; raise the cabin’s aesthetic appeal, comfort, and convenience; and make the car – Lexus’s “Creative Urban …Codes P0441 & P0446. By reigns7703. April 13, 2007 in 93 - 05 Lexus GS300 / GS400 / GS430. Followers. Reply to this topic. Start new topic.What is the Cost to Diagnose the Code P0440 Lexus? Labor: 1.0. The cost to diagnose the P0440 Lexus 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. When I told him a 2006 LEXUS GS 430, he was familiar that this was a common problem with them and asked me " why don't you just let me cut out the 2 bad sections and then let me weld in new pipe, and I don't even have to take the pipes off the vehicle." ... 01 - 06 Lexus LS430 ; Fault Codes P0430 And P0420 On Ls430 Theme . …Common P0430 Diagnosis Mistakes. Often times this code is thought to be a faulty O2 sensor or A/F Sensor; while this is a possibility, the most common problem is a faulty catalytic converter. Do not overlook other codes that are paired along with P0420. Codes like P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, and P0308 are …This is a short video going through a process on how to fix error code P0430 and P0420.this is my first upload to YouTube and I plan on uploading more videos...Mods and experts, please correct and add on to anything you believe is incorrect. Please keep in mind this writeup is coming from a casual driver whose most advanced auto repair skill is adding air to his tires. CEL Code: P0430 Catalyst System Efficiency Below Threshold Bank 2. Step 1.I have a '97 Lexus ES300 (105K miles) and got a check engine light 2 days ago. I got it checked and it comes up with a P0420 code. The code description says "Catalyst System Efficiency Below Threshold (Bank 1)". As I understand, it could be due to a defective catalytic converter, damaged O2 ensor...8 posts · Joined 2011. #1 · Apr 22, 2011. i have the 2jz in my 03 is 300...the check engine light and trac off light (flashing) has been on for a few days...its throwing a few codes...the codes are P0441 evaporative emission system incorrect purger flow P0442 Evaporative Emission System Leak detected (small leak) and P0446 Evaporative ...Apr 14, 2017 · Received 3 Likes on 2 Posts. Check VSC + Code P0430. Hi all: A few days ago, my '07 GS 350 AWD's "check VSC" message popped up on the dash along with the traction control light, engine light and yellow exclamation mark. I did an engine code scan yesterday and it gave me code P0430 "Catalyst System Efficiency Below Threshold (Bank 2)". ….

P0420 Catalyst System Efficiency Below Threshold (Bank 1) an o2 sensor bad usually before the Cat converter P0430 Catalyst System Efficiency Below Threshold (Bank 2) same thing but the sensor after the cat converter the c1734 people will say you need to replace a bad BCM, but don't,, once the O2 sensor problem is addressed , that code will ...Code P0430 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 ...I have a '97 Lexus ES300 (105K miles) and got a check engine light 2 days ago. I got it checked and it comes up with a P0420 code. The code description says "Catalyst System Efficiency Below Threshold (Bank 1)".Mar 1, 2012 · Are there any other codes (besides DTC P0420 or P0430) being output? Check gas leakage on exhaust system. Check heated oxygen sensor (bank 1, 2 sensor 1) Check heated oxygen sensor (bank 1, 2 sensor 2) Replace both of exhaust manifold (front catalyst) and front exhaust pipe. The cost to diagnose the P0304 Lexus 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. Search for P0304 Lexus Questions and Answers: Search here ...2000 lexus gs 300 in wilmington,nc,had code p430,replaced cat converters that are built into the headers. ordered from lexus dealer in california.replaced all four o2 sensors. trouble cleared for 6 mo …Ok, the rear ones are different. For B1S2, the Lexus OE part number is:(NNN) NNN-NNNN Most local parts stores can "interchange" this OE number to the correct version of the after market part in which they carry. Keep in mind, you'll need a "better quality" sensor to meet Lexus specs. Those "universal" sensors will NOT solve the problem.Aug 31, 2022 · To diagnose the P0456 Lexus 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. P0430 lexus gs300, Sep 21, 2011 · 1)The codes P0430 and p0420 indicate your catalytic converter efficeniency is reduced. This would lead one to believe. that the catalytic converter needs to be replaced which can be a major expense since your ls430 has. three catalytic converters. (two forward and one rear) . With a little investigation I found that. , 2012 Lexus ls460 p0430 after replaced 2 injectors. Customer Question. 2012 Lexus ls460 p0430 after replaced 2 injectors. Submitted: 2 years ago. Category: Lexus. Ask Your Own Lexus Question. Share this conversation. Answered in 38 minutes by: 6/11/2021., GS - 2nd Gen (1998-2005) - Check Engine code P0430, Mechanic says need new cat - I have a 2003 GS300 with 160K miles. Check engine, VSC, VSC OFF lights came on this past weekend. I went to my mechanic yesterday and he said his computer is showing code P0430 which he says its for the catalytic converter and ill need to..., have 99 lexus gs 300 check engin light on has bad cat converter which one is a bank 2? there is two of them bolted on engine block or one looks lik... 1999 Lexus GS300 - Cat Converter bank 2 Close, How to replace the Bank 2 Sensor 1 O2 Oxygen Sensor on the following models. 1997-2001 Lexus ES 300, Toyota Camry 1997-2001, Toyota Solara 1999-2001 and Toy..., SOURCE: 2000 Lexus lx300 getting obd 2 codes P1150,P1155 P1150 Air/Fuel sensor circuit (bank 2 sensor 1) P1155 Air/Fuel sensor heater malfunction (bank 2 sensor1) There are a few quite a few reasons why this problem is present., Lexus GS 300 / Lexus GS 250 / Lexus GS 430 / Lexus 450h / Lexus GS 460 Club ; Engine & Transmission ; Odd start up issue (& P0430 code) - GS300, Mk3 Odd start up issue (& P0430 code) - GS300, Mk3. By OJWM November 22, 2021 in Engine & Transmission Share More sharing options... Followers 1. Reply to this topic; Start new …, Fix Check Engine VSC TRAC OFF on Toyota and LEXUS for FREE.In this video I will show you how to fix the issue where the Engine Check Light, VSC Light, and TR..., 1999 Lexus GS300 3.0L Installed both front and rear O2 sensors for bank 1, front O2 pattern was very erratic, would go high and low for extended period then back to normal,rear mimmicked front fairly close. ... It was ok for about year or so now I have same intermitten P0430 and P0420 but I have to use scan tool to reset that code and it will ..., Hi I have a cat converter problem with my lexus. I have been trying to figure it out but I cant. Im getting codes p0420 and p0430 and i took it to a exhaust shop to check for leaks but they didnt find anything. Althought, i didnt think they checked under the heat shields. The car drives really sm..., The C1201 Toyota code is set any time that the engine control system malfunctions. Because this can be caused by any defective sensor, system or wiring issue, it’s hard to determine what the cause is without looking at the other trouble codes. The main causes of a C1201 Toyota code include: A loose or defective gas tank cap., How to replace the Bank 2 Sensor 1 O2 Oxygen Sensor on the following models. 1997-2001 Lexus ES 300, Toyota Camry 1997-2001, Toyota Solara 1999-2001 and Toy..., 1999 Lexus GS300. Asked by kazoom99 in Riverview, FL on . May 19, 2010. have 99 lexus gs 300 check engin light on has bad cat converter which one is a bank 2? there is two of them bolted on engine block or one looks like mufler right on center of the car thanks . 1 reply Report. Answer., Lexus GS 300 / Lexus GS 250 / Lexus GS 430 / Lexus 450h / Lexus GS 460 Club ; P0430 Catalyst System Efficiency Below Threshold Bank 2 Theme . IPB 4.6 ., How to fix P0430 on your Lexus GS430,GS400,GS300 - YouTube This is a short video going through a process on how to fix error code P0430 and P0420.this is my first upload to YouTube and I..., Jul 25, 2007 · Failed Emissions test with following 3 codes; P0420, P0430, P0446. P0420 and P0430 are Bank #1 and Bank #2 Catalytic are both below standard efficency. P0446 says the EVAP Carbon Canister is malfunctioning. Got qoute from Lexus for bank 1&2 Cat replacement $1725, for Carbon canister $585. Reset codes by battery disconnect. CEL back on in 80 miles. , Codes P0441 & P0446. By reigns7703. April 13, 2007 in 93 - 05 Lexus GS300 / GS400 / GS430. Followers. Reply to this topic. Start new topic., When attempting to diagnose a catalyst failure on a 2010-2011 Lexus RX450h, specifically on bank 2 with code P0430, inspect the Bank 2 Sensor 2 oxygen sensor for abnormal behavior. If the vehicle doesn’t have any exhaust leaks and the code returns upon a failed catalyst monitoring drive cycle, inspect the Bank 2 Sensor 2 oxygen …, Aug 14, 2010 · We finally made it in and their (Lexus dealership) diagnostics read a "P0420 and P0430 failure with AF sensors, O2 sensors, and catalyst system efficiency below threshold (Bank 1) (Bank 2)". They, of course, recommended replacing all sensors and convertors at an estimated cost of $3869.13 - before labor and tax! , I have code p0302 and p0420 p0430 on my Lexus is300. There seems to be a leak from the head gasket building uP along the line of it and check engine light is on. ... 2002 Lexus GS300 175K Miles Symptoms: (1) terrible gas mileage and (2) check engine light - pulled codes p0420 and p0430 I used a scantool application to pull the codes and …, Address: Jl. Kertajaya Indah Timur XIV/12 Blok P-460 Gebang Putih, Sukolilo Kota Surabaya, East Java, 60117 Indonesia, Jun 8, 2011 · Mods and experts, please correct and add on to anything you believe is incorrect. Please keep in mind this writeup is coming from a casual driver whose most advanced auto repair skill is adding air to his tires. CEL Code: P0430 Catalyst System Efficiency Below Threshold Bank 2. Step 1. , GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460, 1999 Lexus GS300 126,000 mi, Visitor. check engine light came on around 100K miles and OBD2 indicates it is related to evap charcoal canister. At 126K miles still no solution. Car runs perfect. Learned to live with CEL on : (. 2001 Lexus GS300 154,000 mi, Visitor. P0440 Evap system fault., Sep 21, 2011 · 1)The codes P0430 and p0420 indicate your catalytic converter efficeniency is reduced. This would lead one to believe. that the catalytic converter needs to be replaced which can be a major expense since your ls430 has. three catalytic converters. (two forward and one rear) . With a little investigation I found that. , 2007 lexus ES 350 108,000 lights on, scanned got p0420, & p0430 codes showing both o2 sensors & both cats bad. Reset codes, filled w/ 1/2 tank non ethonal gas & drove 30 miles hard. lights didn't come … read more, Location: Texas (TX) Posted June 1, 2010. I just replaced my converters on my 97 LS400... then I saw this: "I have found out that the P0420 and P0430 codes typically have to do with a catalytic converter gasket leak. I had the P0430 code and made the mistake of taking it to the dealer. Of course, I was told to replace them both for $2,600 plus tax., The Lexus GS (Japanese: レクサス・GS, Rekusasu GS) is an executive car (E-segment in Europe) sold by Lexus, the premium division of Toyota. The same car had been launched in 1991 as the Toyota Aristo in Japan. For non-Japanese markets, it was released as the Lexus GS in February 1993. It continued using the Toyota Aristo name for the Japanese …, 1999 Lexus GS300 126,000 mi, Visitor. check engine light came on around 100K miles and OBD2 indicates it is related to evap charcoal canister. At 126K miles still no solution. Car runs perfect. Learned to live with CEL on : (. 2001 Lexus GS300 154,000 mi, Visitor. P0440 Evap system fault., Does Cataclean really fix a P0420 / P0430 error code and catalytic converter. Cataclean Link: https://amzn.to/33t8RVQ Second channel for easy to follow Home ..., Code P0430 Lexus Description. The Engine Control Module (ECM) uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to …, 1)The codes P0430 and p0420 indicate your catalytic converter efficeniency is reduced. This would lead one to believe. that the catalytic converter needs to be replaced which can be a major expense since your ls430 has. three catalytic converters. (two forward and one rear) . With a little investigation I found that., Lexus GS300 (s190) - P0420/P0430 Catalyst System Efficiency Below Threshold. Модератор: Lexus. 13 мнения • Страница 1 от 1. ageorgieff ... Юни съм собственик на Lexus GS300 MK3. Всичко с колата е отлично - много спокоен автомобил, както за каране, така и за возене както може би повече от вас знаят.