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### Descrição do Produto: Sensor de Oxigênio Denso 234-9009
O Sensor de Oxigênio Denso 234-9009 é um componente essencial para o desempenho ideal do seu veículo, projetado especificamente para detectar a proporção de ar e combustível nos gases de escape. Este sensor é fabricado com materiais duráveis, garantindo uma longa vida útil e resistência a condições adversas. Com um eletrólito sólido de zircônia, o Denso 234-9009 oferece uma precisão excepcional na medição, permitindo que o sistema de gerenciamento do motor ajuste a mistura de ar e combustível de forma eficiente.
A instalação deste sensor é altamente simplificada, tornando-o acessível mesmo para aqueles que não possuem experiência técnica avançada. Sua construção robusta e a tecnologia de ponta utilizada na fabricação garantem que o sensor funcione de maneira confiável, contribuindo para a redução de emissões e melhorando a eficiência do combustível. É importante ressaltar que este item possui informações especiais de envio: não pode ser retornado e possui restrições adicionais de envio.
### Instruções de Uso:
Para utilizar o Sensor de Oxigênio Denso 234-9009, siga as instruções abaixo:
1. Desconecte a Bateria: Antes de iniciar a instalação, desconecte a bateria do veículo para evitar qualquer curto-circuito.
2. Localize o Sensor: O sensor de oxigênio geralmente está localizado no coletor de escape ou no tubo de escape. Consulte o manual do veículo para a localização exata.
3. Remova o Sensor Antigo: Utilize uma chave de soquete para remover o sensor antigo, tomando cuidado para não danificar as roscas.
4. Instale o Novo Sensor: Aplique um pouco de lubrificante na rosca do novo sensor e instale-o manualmente, apertando-o com a chave de soquete.
5. Reconecte a Bateria: Após a instalação, reconecte a bateria e ligue o veículo para verificar se o sensor está funcionando corretamente.
### Características do Produto:
– Fabricado para Detecção de Proporção de Ar e Combustível: O Denso 234-9009 é projetado para medir com precisão a quantidade de oxigênio nos gases de escape, otimizando a mistura ar-combustível.
– Material Durável: Construído com materiais de alta qualidade que garantem resistência e durabilidade em condições severas.
– Eletrólito Sólido de Zircônia: A tecnologia de zircônia proporciona medições precisas e rápidas, melhorando a resposta do motor.
– Instalação Fácil: O design do sensor permite uma instalação simples e rápida, reduzindo o tempo de inatividade do veículo.
– Restrições de Envio: Este produto não pode ser retornado e possui restrições adicionais de envio, garantindo que você receba um item novo e em perfeitas condições.
### Perguntas Frequentes (FAQ):
Pergunta: O Sensor de Oxigênio Denso 234-9009 é compatível com todos os veículos?
Resposta: Não, é importante verificar a compatibilidade do sensor com o modelo específico do seu veículo antes da compra.
Pergunta: Como posso saber se o meu sensor de oxigênio precisa ser substituído?
Resposta: Sinais comuns incluem aumento no consumo de combustível, falhas no motor e luz de verificação do motor acesa.
Pergunta: Posso instalar o sensor eu mesmo?
Resposta: Sim, a instalação é simples e pode ser feita com ferramentas básicas, mas recomenda-se seguir as instruções do manual do veículo.
Pergunta: O que devo fazer se o sensor não funcionar após a instalação?
Resposta: Verifique todas as conexões e certifique-se de que o sensor está instalado corretamente. Se o problema persistir, consulte um mecânico.
Pergunta: Existe garantia para o Sensor de Oxigênio Denso 234-9009?
Resposta: A garantia pode variar, mas geralmente é oferecida pelo fabricante. Consulte o vendedor para mais informações sobre a garantia específica do produto.
Folsom DIY Fan –
My 1999 Lexus RX300 was getting CEL (P0125, P1030, P1033 & P1035). Read the postings on ClubLexus and found Denso 234-9009 is perfect fit for Bank 1 Sensor 1 (behind firewall, access from underneath the vehicle). Removing the connector is the biggest job. Used a pickup tool with wire prongs to hold the sensor connector part from the top, pressed the tab on the right connector and disconnected relatively easily. Jacked up the front passenger side, went underneath the vehicle and sprayed PB blaster penetrating oil on the old sensor threads, waited for a few minutes and was able to get it out easily using an O2 sensor removal tool. Applied the anti-seize that came with the package on the new sensor threads and installed. Total time spent was under 30 minutes! Disconnected the battery negative terminal for a few minutes, then started the engine and the codes didn’t come back! Check out the pictures posted in the images section.
This sensor works for Bank 1 Sensor 1 (before catalytic converter, access from underneath the vehicle) and Bank 2 Sensor 1 (between the engine and radiator, accessed from the top).
Note: Recommend using two jack stands for added safety while working under the vehicle.
PB Blaster: Blaster 16-PB Penetrating Catalyst – 11 oz.
O2 Sensor Tool: Powerbuilt 648691 Oxygen Sensor Offset Puller
Update: February 16, 2014
The Check Engine Light (CEL) is staying off and the mileage has improved. My vehicle registration is coming up and it is due for SMOG check. I’ll update the review with the results of the test.
John Swarm –
If you have a Toyota, don’t buy some other off brand oxygen sensor! This is a factory replacement, plugs in perfectly, cleared my check engine light code after I disconnected the battery for a few mins and hooked it back up.
Use the Amazon part finder to make sure you have the right sensor for your car.
Make sure that you know if your car is a California car or a normal one, says under the hood on a label if it is a California car. You’ll need a different sensor if it is.
Several days before you change the sensor, spray penetrating oil on the sensor once a day. That helps a ton!! When the day comes to change the sensor, try to do it when the manifold is hot, but be careful!!! The sensor will most likely come right off.
I changed a sensor once that was hopelessly frozen in place. I had to have a mechanic do that job. He had to heat the manifold up, break the sensor out, and re-tap the threads. He was upset that I didn’t buy the sensor from him (for about 2x as much, I can see why he was mad! Funny he couldn’t see why I didn’t buy it from him)
Oxygen sensors are not “needless stupid sensors that only improve your gas mileage”!!!! One thing that can happen when your O2 sensor needs replaced is your catalytic converter can go bad. O2 sensors tell the motor how to mix the air and fuel. If your sensor is bad, the engine doesn’t mix fuel and air properly, creating more pollution. Then your cat works extra hard to clean up the pollution.
Don’t be a tight wad, just buy the dumb thing and replace it!
Rich –
Everyone quotes 350 for the part. Got it for 200 cad with taxes. Very very satisfied with the product. Hope it lasts
Yorgi –
Does what its supposed to do
K. Mars –
You must be careful when changing these parts
If lean air fuel mix codes come on, it could be from vacuum leak, mass air sensor or air fuel sensors. Harder to diagnose are intermittent air fuel sensors failure.
I had to replace my Highlander 2002 290,000 km air fuel sensors as they were giving me lean air fuel mix engine code.
First I had lean air fuel sensor code P0171 and P0174 codes. But engine was running rich as computer tried to compensate for lean conditions. It does not do all the as if I erased the code it would run fine for few days and come back.
At First I though it was the mass air sensor, as the issue was both bank were running rich according to the scan tool. I changed it. It run well for few weeks but codes still came back
Then I decide to replace the rear air fuel sensor near firewall by my buddy car shop. Then the issue P0171 was gone. It run well for a week. Then P0174 started to come on, again I could erased the code and run for few weeks without issue.
Then I decided maybe I should change the other air fuel sensor too.
I was looking at this Amazon air fuel denso sensor for a while, worry to order as lots of stories about Amazon fake Toyota parts.
But I decided to try it.
It was easy to replace this one as it was located front of the engine, it wasn’t rusted, I make sure I tried to remove the old one before I ordered this new one. Just be careful as old was can be stuck and strip the threads.
The new sensor came with denso box with sealed bag inside
Wiring color and connector all match to original
After installed without any issue, the code is gone. p0174. It has been almost a week
And we are having a cold snap in vancouver this week
Today -13C
I will update in the future and Will see if it still works after as one of the review mentioned that the sensor failed after the first frost.
Nikunj –
very good
Folsom DIY Fan –
I have a relative that works for Toyota and their price was $50 more than the Amazon price. It’s the original equipment brand and it’s replacing one that I bought from Amazon 7 years so I’m happy.
Jamba –
I have P-1155, A/F heater fault, bank 1, sensor 1 malfunction on my 2002 toyota highlander. Check Engine Light was on. I wanted to be smart and tried some cheaper alternatives, what a mistake. Waste of time, money and increased aggravations if you want to use anything other than this on 2002 toyota highlander V6. I put this on after some trial and errors that increased my aggravations. Check Engine Light cleared, now I’m a happy camper.
This is my take based on hard way experience. If you have the need to replace the A/F 02 sensor, you will most likely be tempted to go for the cheaper alternatives they claim will work. They will not work, if they do it will be for a very short period of time . I know this one is expensive, but guess what? It’s the cheapest, functional and trusted option. If you buy anything different, I will almost guarantee you’ll do it multiple times like I did. So, save yourself time, money and aggravations, buy this once and call it a day.
Good luck!
Rich –
Direct fit plug-and-play and made by Denso, the manufacturer of the original Toyota part. The Amazon price is 1/4 of what the dealer charges and still about $50 less than most online parts suppliers. Free shipping as a bonus.
The install cleared my check engine light and is working like a charm.