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O2 sensor is larger than the one I removed.

86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

O2 sensor is larger than the one I removed.

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Old

Oct 8, 2021 | 12:48 PM

#1

Bogart

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Joined: Jun 2014

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O2 sensor is larger than the one I removed.

It does barely fit.
But much less air flow around it than the smaller one. But more surface area.

Denso from napa.

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Old

Oct 8, 2021 | 04:36 PM

#2

millball

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Joined: Aug 2013

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From: Southern Arizona

What is the make of the old smaller one.?

Perhaps it is the one that is incorrect??

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Old

Oct 9, 2021 | 08:20 AM

#3

Bogart

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That's a good point.. It was the o2 sensor that came with it. I replaced it because the bracket was broken. Seems to be working fine.

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Old

Oct 9, 2021 | 10:12 AM

#4

Dr Phat

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Joined: Jan 2010

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What year/motor is your truck? Some years had the O2 sensor in the header, some were after the header, some had both, some were heated. Im guessing you got the downstream O2 sensor.

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Old

Oct 10, 2021 | 11:35 AM

#5

Bogart

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It's an 86 22re and it's in the manifold.
it seems to be working OK.

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