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I had a bit of an issue replacing the upstream O2 (Air/Fuel) sensor in my 2006 Tacoma. Rock Auto is where I bought the sensors from. On their website, for the 2006 Tacoma 1GR-FE, it states the following: $132 DENSO 2349051 Denso 234-9051 Right-Bank Upstream with 4-Wire 8.5” Option Air Fuel Ratio Oxygen Sensor. DENSO 2349051.
1. Upstream / Pre Catalytic Converter Oxygen Sensor: The upstream oxygen sensor is situated before the catalytic converter in the exhaust system. The ECU primarily calculates the optimum air fuel ratio based on the amount of oxygen measured by the upstream sensor in terms of voltage. The higher the voltage, the richer is the air-fuel mixture ...
Mar 28, 2017 · Oxygen sensor buyers guide. If you are here because of a lean code, please consider replacing the intake manifold gasket first. If you are here because of a rich code, give your air filter a look. If you are here because you have a bad heater in the downstream sensor, personally I'd ignore it until the sensor gets 'lazy.'.
Apr 12, 2010 · Owner's were notified by letter. "In recent months, Toyota has received reports of custome concerns regarding the two oxygen sensors located in the exhuast manifolds that monitor exhaust emissions. These oxygen sensors are installed ahead of the catalytic converter and are also known as the Number 1 Oxygen Sensors.
3. OEM Oxygen Sensors are Cheaper in the Long Run. If you check the forums across the web, you’ll see many comments by car owners on how aftermarket oxygen sensors fail sooner than OEM oxygen sensors. Even if your OEM sensor fails early, you’ll be able to replace it under warranty, as all OEM Toyota parts come with a 12-month, unlimited ...
Replacing the oxygen sensor in your Toyota is a simple process requiring a 22-millimeter wrench and anti-seize lubricant. This tutorial covers all the steps to replace your oxygen sensor safely and efficiently. Or you can use this guide which provides more information on signs of a bad O2 sensor and how to replace one.
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May 18, 2004 · The O2 sensor is one of these things. I think Denso makes the OEM O2 sensors, or maybe NGK. If neither, then an OEM, NGK, or Denso would be what you want. I personally am going to get a Denso for my Tacoma. EDIT: I wouldn't put ANYTHING Bosch on a Toyota. Other cars I've heard Bosch electricals (spark plugs, O2) will be just fine, but not on a ...
