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1991 o2 sensor/upgrading headers issue

 
Old 06-09-2019, 12:55 AM
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pooled
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Default 1991 o2 sensor/upgrading headers issue

My current car has straight exaust w original exhaust manfolds/no cats. I noticed the sensors near the cat converter are just dangling and not installed right now. I never noticed any driving issues. I am waiting on my headers to get back from being dipped in coating and I was going to locate the current sensor from the driver side manifold to the exhaust flange when i install the headers. What should I do the with the other sensors that are just laying there right now? Thank you Also does anyone know what size weld bungs should i get? I was looking at these but want to make sure it will fit https://www.summitracing.com/parts/v...FVmewAodQOUHtw

Last edited by pooled; 06-09-2019 at 12:58 AM.
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Old 06-09-2019, 05:06 PM
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aklim
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I think you need to recheck. Do you have a 91? If so, I don't think there is more than 1 O2 sensor.
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Old 06-09-2019, 07:31 PM
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mlm0
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I would think with no 02 sensor hooked up, you would be running in open loop all the time.
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Old 06-09-2019, 08:57 PM
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Originally Posted by mlm0 View Post
I would think with no 02 sensor hooked up, you would be running in open loop all the time.
With the way he puts it about the original sensor near the driver side manifold, I think the others are something else
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