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Location:
Newcastle, Australia
Registered:
March 2005
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Source for O2 sensors to suit 1JZ Cressida?
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Mon, 23 May 2005 12:36
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Hi guys, the O2 sensors in my 1JZ MX83 cressida might need replacing, just wondering what sort I need and where to get them from?
I can't find the right type on buyoxygensensors.com, and I'd rather buy locally if possible. Do I need ones that are specific to a 1JZ? Or will Cressida ones do?
Would somewhere like Repco, or a Toyota dealer etc have them, or do I need to look further afield?
I'd prefer to buy some new ones rather than 2ndhand ones if possible. What sort of $ am I up for?
Is it easy to test them to see if they need replacing? I have a multimeter. I only got 7km/L on the freeway between Sydney and Newcastle lol!
Thanks heaps 
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Location:
Brisbane
Registered:
February 2003
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Re: Source for O2 sensors to suit 1JZ Cressida?
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Mon, 23 May 2005 12:53
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any other toyota O2 sensor with similar physical shape (so it doesn't hit anything nearby) - except for quote recent models, they're all narrowband sensors. Some are heated (3 or 4 wire), earlier sensors might not be (1 wire).
If they're screw-in boss, not bolt-on-flange then just about any O2 sensor will do the job.
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: Source for O2 sensors to suit 1JZ Cressida?
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Mon, 23 May 2005 13:22
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ebay. even with postage from the US, they can still be much much cheaper than locally.. bosch and NTK are my favourite brands 
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Location:
Newcastle, Australia
Registered:
March 2005
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Re: Source for O2 sensors to suit 1JZ Cressida?
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Mon, 23 May 2005 20:45
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Fantastic! Thanks heaps guys
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Location:
Newcastle, Australia
Registered:
March 2005
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Re: Source for O2 sensors to suit 1JZ Cressida?
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Mon, 23 May 2005 21:11
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Are they easy enough to get to? I can change the oil and coolant in a car, but that is about where my experience ends lol
And are they both the same type? Where do I look for them? I assume at least one is on the exhaust somewhere shortly after leaving the engine.
I'll see if I can pull one off and take a pic so I know what size etc I'm looking for.
If the ECU isn't setting any O2 codes then I assume they are OK right? I'll pull the codes soon (when I figure out how) and then have a go at the O2s if need be.
Would the SAFC fool the ECU into thinking the O2s are OK?
Thanks
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Location:
sunny coast, qld
Registered:
October 2002
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Re: Source for O2 sensors to suit 1JZ Cressida?
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Tue, 24 May 2005 00:17
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O2 sensor is in the standard Y-pipe under the heat shield.
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Would the SAFC fool the ECU into thinking the O2s are OK?
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That is the purpose of a SAFC. It distorts the signal from the MAP sensor to make the ecu think that it is running more/less boost and therefore change the amount of fuel injected.
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Location:
Newcastle, Australia
Registered:
March 2005
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Re: Source for O2 sensors to suit 1JZ Cressida?
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Tue, 24 May 2005 09:31
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Ah so there is only one O2 sensor? My MX6 has two.
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