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95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners
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Replace both O2 sensors at same time?

   
Old Nov 17, 2004 | 09:13 PM
  #21  
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Watch out on the cheap univerals sensors, from what I hear they are kind of...unreliable. Yeah, well I just got Boesch's. Swappin the rear didn't do squat.
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Old Nov 18, 2004 | 06:35 AM
  #22  
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MTL_4runner
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From: Montreal, QC Canada
Originally Posted by Gadget
The two different type of sensors look exactly the same and will fit the same flange type bungs. Only the plug is slightly different, but you have to stick it in the other plug to know it does not fit properly.

Gadget
Is the connector just a different shape or is there an extra wire with the A/F sensor?
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Old Nov 18, 2004 | 06:41 AM
  #23  
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The connectors actually look the same, but the Air/Fuel Ratio sensor has a little rib in a different place so that will not allow one to plug into the other.

Gadget
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Old Nov 18, 2004 | 07:03 AM
  #24  
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MTL_4runner
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From: Montreal, QC Canada
Originally Posted by Gadget
The connectors actually look the same, but the Air/Fuel Ratio sensor has a little rib in a different place so that will not allow one to plug into the other.

Gadget
Good to know, thanks again Gadget!
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Old Nov 18, 2004 | 10:52 AM
  #25  
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From: Ontario
i feel so dumb, can anyone take a picture of what i'm looking at, and where to find it? are these plugs under the hood? or under the car?

Thanks
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Old Nov 18, 2004 | 10:58 AM
  #26  
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rimpainter.com
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Under the rig. Go to your cat convertor, then go towards the engine. It will be screwed into a bung in the exhaust system.
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