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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.


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Old 06-19-2013, 12:21 AM   #1
Ljensen11
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Sr20det bogs when o2 sensor plugged in

I just got my swap done and I have been running without a o2 sensor for about a week and it runs fine no problem got the o2 sensor and plug it in and when i went for a ride and it bogs under acceleration and when I unplug it it runs fine anyone I know my problem?
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Old 06-19-2013, 12:39 AM   #2
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Either mismatch O2 sensor with ECU or wired wrong.
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Old 06-22-2013, 05:06 AM   #3
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If you have a redtop you need the skinny (87 280zx turbo) oxygen sensor. If you have a blacktop you need the fat oxygen sensor. Maybe the wires for yours got damaged during install otherwise. If you have an aftermarket ecu you may need a different 02 I dunno.
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Old 06-22-2013, 11:51 AM   #4
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S13 SR20DET Skinny O2: 22690-50F00
S13 SR20DET Fat O2: 22690-50F02

They say the '87 300ZX Turbo oxygen sensor works, but there is a different part number for it: 22690-21P11. So who knows.
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Old 06-23-2013, 12:09 PM   #5
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Those parts numbers for the skinny o2 are different in the sr20det faq.
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Old 06-23-2013, 12:14 PM   #6
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S13 sr20det redtop: 22690-19p20 ('87 280zx)

I just ordered this one for my car so I hope its not wrong lol.
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Old 08-20-2013, 02:29 PM   #7
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So did it work?

I think I need a skinny o2 sensor for my redtop SR, because I have a fat o2 sensor on it right now and my gas mileage is around 23mpg babying it and mostly highway.

RockAuto.com shows this for a 1987 300zx turbo


Then they show this for a 1987 300zx nonturbo


Looks like the nonturbo one has the correct plug on it (oval, not square). Anybody know if that'll work?
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Old 08-20-2013, 02:40 PM   #8
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the bottom plug is the correct one, but the o2 has to be skinny. Just buy the correct 1 from frsport
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Old 08-20-2013, 04:00 PM   #9
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Quote:
Originally Posted by evilpanamajack View Post
the bottom plug is the correct one, but the o2 has to be skinny. Just buy the correct 1 from frsport
FRsport wants $100 + shipping for theirs. If I can get a z31 o2 sensor on RockAuto for $22 and it work exactly the same, then I'd much rather do that.

Hell, the Standard Motor Products SG130 sensor that RockAuto sells for the z31 is on ebay for $18 shipped!

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Old 08-20-2013, 04:11 PM   #10
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Quote:
Originally Posted by cbh148 View Post
FRsport wants $100 + shipping for theirs. If I can get a z31 o2 sensor on RockAuto for $22 and it work exactly the same, then I'd much rather do that.

Hell, the Standard Motor Products SG130 sensor that RockAuto sells for the z31 is on ebay for $18 shipped!

Let me know if it works for you. My Red Top came with the mismatched fat 02 sensor also. and i just bought a used Skinny Titania 02 for $20. Don't forget you need an adapter too
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Old 08-21-2013, 11:32 AM   #11
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Yeah I'll let you know if I end up buying it and it works. Do SR's have a mode on the ECU that I can switch to to monitor the o2 sensor switching? I know my CA18 did.

Anybody have any insight on whether this 1986 300zx o2 sensor will work for a redtop SR? I'm thinking that as long as it's a skinny o2 (which I assume means it's titania like it should be?), and has the right plug (oval), then it should be what I need. Thoughts?
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Old 08-21-2013, 01:55 PM   #12
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this is semi off topic but on my ka24 i need the adapter as well..

my head has the typical m18 size hole for a standard sized o2. my downstream o2 is the skinny kind and obviously i need to adapt.

anyone know what adapter is needed and where can it be purchased from.
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