How to Replace Upstream O2 Sensor 2007-12 Toyota Camry
Created on: 2017-10-06
How to remove, install, change or replace an upstream oxygen O2 sensor on 07, 08, 09, 10, 11, 12 Toyota Camry.
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step 1 :Removing the Air Intake
- Remove the 10mm bolts from the air box
- Disconnect the two sensors
- Loosen the intake tube hose clamp
- Unclip the hose from the air box
- Remove the air box
- Remove the air filter
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step 2 :Removing the Upstream O2 Sensor
- Disconnect the O2 sensor connector
- Unclip the wiring from the radiator hose clamp
- Send the sensor through a 22mm wrench
- Remove the sensor with a 22mm wrench
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step 3 :Installing the Upstream O2 Sensor
- Apply copper anti-seize to the threads on the O2 sensor
- Tighten the O2 sensor by hand
- Tighten the O2 sensor with a 22mm wrench
- Clip on the bracket
- Thread the wire into the bracket
- Clip the wire into the bracket on the radiator hose
- Connect the sensor
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step 4 :Installing the Air Intake
- Reinstall the air filter
- Press on the air box
- Press on the air intake hose to the air box
- Tighten the hose clamp
- Connect the two sensors
- Tighten the 10mm bolts to the air box
Tools needed
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Socket Extensions
Flat Blade Screwdriver
Rust Penetrant
22mm Wrench
9mm Socket
Ratchet
Needle nose pliers
Hi, I’m Mike from 1A Auto. We’ve been selling auto parts for over 30 years!
Open the hood. Pull the release handle down here above your knee. Release the safety, which is right here. This hood had hood struts. On this PZEV Camry, bank one sensor one is at the top of the exhaust manifold here. The wire goes over here to the connector. And can just see the connector. And you can just get to the lock port, it's kind of difficult. I'm going to remove the air box, just slightly out-of-the-way so I can get to this connector better and undo it before I remote the O2 sensor from the manifold.
Use a 10 millimeter socket and ratchet to loosen this up. There's a second one on the backside. Unplug this electrical connector here. Unplug this one here. This harness is actually connected to the air box, so can't pop it off. I'm just going to leave it here and move it to the side. Loosen this clamp, the intake tube. Lift up the air box. Make sure those are fully released. Take our air filter out of here so it doesn't get damaged. This harness here has a little push connector. I'm going to take these needle nosed pliers and just push them together. And just pop it out and put it aside. Put this aside so it doesn't get damaged.
Can see the sensor connector here for the O2 sensor. Push in the lock. Need a flat bladed screwdriver to push the lock open. Push the lock open with a flat bladed screwdriver and work the O2 sensor out, just like that. To un-clip it from this clamp that's holding around the upper radiator hose, going to squeeze these little tabs together. Just kind of unlock it. Just leave that in place. Lift this up. Pull it out of this clamp, this metal clamp. It keeps the wire from touching the hot exhaust and melting, so you'll want to keep that and use it. It should pop right off of the O2 sensor. We'll just put that over here.
I'm ready to remove the O2 sensor from the exhaust manifold. This is a 22 millimeter on the O2 sensor. Luckily, it's actually big enough for the connector to go through, so you can slide the box into the wrench on there. Get it seated. Give it a nice pull. There's the O2 sensor.
Here's the old O2 sensor and our brand new one from 1AAuto.com. The same length of wire. The same style connector. This should fit in the vehicle and work great for you.
The O2 sensor does come with anti-seize on it. I'm going to add a little extra copper anti-seize to it just before I install it. Make sure you keep it on the threads and away from the sensor tip. Hold the wire up. Thread it in by hand. You have to spin the wire around with it. Make sure the thread's in nice. Take a 22 millimeter wrench and just tighten it up until I feel the gasket crush. I'm going to clip this little bracket back on to place. Snaps over just like that. Clip my wire into it. Keeps it away from the exhaust manifold. Run the wire down over the plastic clamp, just like the original. Clip it back together. The connector is here. I'm going to line it back up just like the original and hold the back of this connector and push together so it clicks.
Reinstall the air filter. Take the upper air box. Connect those tabs underneath that lock it into place. Push it down. There's an alignment tab or opening here on the rubber hose that matches up with this tab here. I'm going to push this down. It should slide right over. Make sure that this claim is seated in the grooves. Tighten it back down. Reinstall the bolts that are holding the air box cover down. Don't forget the one in the back. Finally, don't forget this harness. Plug it back into the air box where I pulled it out of. Put it back into the mass airflow meter. Plug it back into this connector here. The air box is reinstalled.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
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