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Razor
CA20E O2 Sensor Wiring Help
#1
Home away from home
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Hey everyone

my friend and I was fixing his 1200 during the long weekend, he did a CA20E swap on his 1200 sedan anyway...

the CA20E has an O2 Sensor attached to the exhaust manifold and the wire has been cut and we dont know how to wire this up?
it looks like its just a single wire... does anyone here by any chance know how to wire this sucker up?

does it go straight to the ECU? what gauge of wire should we use?

cheers

Posted on: 2005/4/25 23:18
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dattodude
Re: CA20E O2 Sensor Wiring Help
#2
No life (a.k.a. DattoMaster)
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It uses a shielded wire (coax) generally. It would be "best" if you went to the wreckers and cut the wire out of another loom.

But if it's a single wire..it definitely goes straight to the ECU 02 sensor pin. Going to the wreckers with a multimeter, will give you a chance to find out which pin.

Chris

Posted on: 2005/4/26 1:39
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'71 Green 1200 Sedan CA18DET Project 99.98% complete
'71 White 1200 Sedan 20,000mi + A14T (twin 40DCOE 30/70 cam, extractors)
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Razor
Re: CA20E O2 Sensor Wiring Help
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thanks for that...
now to search for a wrecked CA20E equipped car

they came in with Bluebirds, gazelles right?

Posted on: 2005/4/26 2:09
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Datsun4Googs
Re: CA20E O2 Sensor Wiring Help
#4
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i think you should be looking in a pintara

Posted on: 2005/4/26 12:14
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Demojob
Re: CA20E O2 Sensor Wiring Help
#5
No life (a.k.a. DattoMaster)
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YEah I believe CA20E's were in Series 3 Blueys so chem them as well.

Cheers
Damo

Posted on: 2005/4/26 12:22
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BigV
Re: CA20E O2 Sensor Wiring Help
#6
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series three only had carby
pintara or gazzel

Posted on: 2005/4/26 16:58
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Razor
Re: CA20E O2 Sensor Wiring Help
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what year pintara? is it the boxy shape or the rounded shape?

cheers

Posted on: 2005/4/26 23:26
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dattodude
Re: CA20E O2 Sensor Wiring Help
#8
No life (a.k.a. DattoMaster)
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Both!

R31 Pintara (Like R31 skyline)
Also U12 Pintara, which has a CA20 frontwheel drive.

Some of the early (or base model) R31 Pintara's had a carby, and therefore won't have the O2 sensor.

Posted on: 2005/4/27 0:01
_________________
'71 Green 1200 Sedan CA18DET Project 99.98% complete
'71 White 1200 Sedan 20,000mi + A14T (twin 40DCOE 30/70 cam, extractors)
Website: http://www.shoeys.com
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Razor
Re: CA20E O2 Sensor Wiring Help
#9
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more question...

Do we need a 1986+ CA20E model ECU for the 1986+ engine???

cos we only have the 1984 ECU and I'm guessing the 1984 engine doesnt have an O2 sensor

is it a straight swap? or do we have to do the whole harness wiring again?

Posted on: 2005/4/28 2:17
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Razor
Re: CA20E O2 Sensor Wiring Help
#10
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does changing ECU (no o2 sensor) to the newer ECU for the same car and same engine bear in mind that the newer engine has O2 sensor and the old one doesnt
do we need to re-do the wiring of the entire car again?
we are stuck please advise and help

thanks

Posted on: 2005/4/29 1:10
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