|Item Weight||4.2 ounces|
|Product Dimensions||5.9 x 2 x 2.3 inches|
|Item model number||234-9011|
|Manufacturer Part Number||234-9011|
|OEM Part Number||234-9011|
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Denso 234-9011 Air Fuel Ratio Sensor
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|Item Dimensions||2 x 5.9 x 2.3 in||1.8 x 5.9 x 1.9 in||2 x 2.2 x 5.8 in||—|
Denso Air and Fuel Ratio sensor is designed to detect the amount of the exhaust gas air and fuel ratio. It is constructed from durable material that is corrosion and abrasion resistant. This sensor features zirconia solid electrolyte integrated with alumina heater substrate which precicely controls the amount of oxygen concentration that flows into the diffusion layer to limit current flow. This sensor can easily be installed and ensures longevity.
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- Remove front passenger wheel.
- Undo buttons from plastic cover in wheel well to expose the O2 sensor
- Spray some PB Blaster or Liquid Wrench on the sensor and let it sit
- Remove the airbox (you might be able to do it without this, but routing the sensor cable will be easier)
- Unscrew the old O2 sensor and remove - pay attention to where the cable is routed, you'll want to route it back the same way
- Put copper paste (included with sensor) on new sensor threads and screw back in - only torque to 15-17 ft-lbs
- Route the cable back - you can carefully remove the clips that held the old cable to the bracket on the side of the engine and reuse them, or save some hassle and zip tie the cable to the bracket.
- Button everything back up
- Crack a beer
Total time including removing and putting the tire back on was about 45 minutes. Once installed, it'll take a couple drives for the CEL to clear. I drove to work and back, then first thing the next morning the CEL was gone.
For Subaru drivers:
1) Worth doing on your own if you want to save some money.
2) Will need some jack stands; you will need to take off the passenger side wheel. There is a plastic guard in front of the sensor that you will need to take off with a flat head screw driver.
3) Removing the actual sensor is not difficult. I recommend purchasing an oxygen sensor socket and using a long breaker bar. It makes quick work of this. Tie a string to where the old sensor is connected and to the plug of the old sensor. When you pull the oxygen sensor out the string will come out with it, making it easy for you to pull the new sensor up to the plug.
4) This kit comes with some anti- seize gel, put it only on the threads.
5) Install the sensor.
6) Tie the string to the plug of the new sensor and fish it up. Plug it in. Fasten the wiring to clips.
7) You may need to clear the CEL. You're done!