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95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

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Old 05-16-2005, 08:08 PM   #1
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O2 Sensor ? Can I run w/o one of them????

Ok guys just threw the code for my O2 sensor after the cat as being bad. My question is can I run without this sensor and will it hurt anything? I need to replace the exhasut so I was gonna replace that part of the pipe too with a straight pipe in place of it and not put a sensor back in. My Runner is a '98. Was just wondering if anyone can help me out with this. Thanks
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Old 05-16-2005, 08:09 PM   #2
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Only if you want to give up the gas mileage.
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Old 05-16-2005, 08:24 PM   #3
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you can remove it, but the check engine light will always be on
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Old 05-18-2005, 01:44 PM   #4
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Only if you want to give up the gas mileage.
I thought the front one gives the input to the ECU for A/F mixture and the rear is only used for emission? I could be wrong.

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Old 05-18-2005, 01:54 PM   #5
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the rear is for emissions, your cel will always be on if its removed, also if you remove the cat and put a strightpipe thats a federal, jailable offense, so is removing the rear o2 sensor as its emission related...
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Old 05-18-2005, 01:54 PM
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22re, o2, pipe, run, sensor, straight, tacoma

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