o2 sensor

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01-28-2016, 10:44 AM

DagoMatt

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o2 sensor

How easy is it to replace bank 1 sensor 1? Looks like I could get it from the top but just want to see how other people have done it. Thanks in advance

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02-01-2016, 12:17 PM

DagoMatt

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Bump!!! nobody has replaced the o2 sensor bank 1 sensor 1?

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02-02-2016, 11:37 AM

M4N14C

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Is that the driver's side one? I replaced both from under the car while on jacks. Try letting them soak overnight in some PB blaster as mine were originals pretty much welded on

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02-02-2016, 12:01 PM

Cpt.Derrek

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yes its driver side... its located in the exhaust manifold above the flange. It's fairly easy to get to under the car. I would recommend getting the ACDelco o2 sensors and probably a good idea to replace both front ones... no need to replace rear as their only purpose is to see efficiency of cats.