Kujotk Posted September 1, 2008 Share Posted September 1, 2008 the general maintenance question part on 02 sensors isn't really visited much these days so i would like the moderators to keep this post open untill i can get a few replies first, please. I am installing a new front/dump and hiflow cat on sat and decided to save time and just replace the 02 sensor at the same time this saturday comming with abo bob.... my question is i just bought an EL falcon 02 sensor from repco for $71.99, I made sure that the thread would fit the new dump pipe i'm installing.... My R33 gtst series 2 has 3 wires for the 02 sensor, 2 white and one black, and the new 02 sensor has 2 black and one blue. I am assuming that the blue wire on the new 02 sensor connects to the black wire on my car, and i supose it doesnt matter which other 2 wires are conected to which????? can somebody confirm this???? i know this sounds like a simple deduction question but please no bullshit replies, only answer if you have reason to believe this is the correct way to connect them.... Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/ Share on other sites More sharing options...
JAS-25T Posted September 1, 2008 Share Posted September 1, 2008 This might sound like a stupid question but why did you buy a falcon part for a skyline? or are they the same/interchangable? Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/#findComment-4103943 Share on other sites More sharing options...
DECIM8 Posted September 1, 2008 Share Posted September 1, 2008 For R33's yes.. But from what I read they use different minerals to monitor a/f Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/#findComment-4104442 Share on other sites More sharing options...
Kujotk Posted September 1, 2008 Author Share Posted September 1, 2008 but they work good enough.... can anyone help my original question though? Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/#findComment-4105833 Share on other sites More sharing options...
trel Posted September 1, 2008 Share Posted September 1, 2008 done to death mate... http://www.skylinesaustralia.com/forums/O2...sor-t43095.html that has ALL the answers you need + more. Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/#findComment-4105910 Share on other sites More sharing options...
FloydWestwood Posted September 2, 2008 Share Posted September 2, 2008 did the exact same thing to my car, and no, the colours dont make a difference. the blue goes to the black, and the others are the reference wires. you should have got a piece of paper with instructions on it on your new o2 sensor. should be on that. Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/#findComment-4107193 Share on other sites More sharing options...
Kujotk Posted September 2, 2008 Author Share Posted September 2, 2008 nah didnt get the paper that came with it, think the store clerk lost it when he opend the box..... anyway you told me what i need to know floyd cheers Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/#findComment-4108391 Share on other sites More sharing options...
paulr33 Posted September 3, 2008 Share Posted September 3, 2008 ford el falcon 02 sensor works fine on R33 GTST many have done so in the past and still working fine my R33 has PFC and has ford el falcon 02 sensor and still going fine in most automotive shops its easier to ask for a ford el falcon 02 sensor as its more common if you say its a 1997 R33 Skyline they go - that car doesnt exist, or "isnt that 1987" - ie: R31 is only on their system the sensor used in the R33 is a generic 3 wire 02 sensor, same as the ford el falcon 02 sensor so its much easier to ask for a ford part cos its on all of the computers and they all stock it, plus it would be a cheaper part too the ford el falcon one supplied will be a generic 02 sensor and not a specific ford part in a ford box with a ford plug just a plain jane 3 wire 02 sensor with wires the wires are heater, heater and signal so the two that are the same colour are part of the heater circuit and the unique colour wire is the 02 signal wire (to the ecu) as long as you match up the unique to unique and the two same colour wires to the two same on the loom you cant go wrong Link to comment https://www.sau.com.au/forums/topic/234201-02-sensor-question-please-do-not-take-this-of-untill-i-get-some-good-answers-first/#findComment-4110220 Share on other sites More sharing options...
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