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sensor-iat? where to get/what spec

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Old 18 December 2015, 10:45 PM
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arthur.d
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Default sensor-iat? where to get/what spec

found this iat sensor[i think] in the t/b end of my intercooler on my sd mapped sti....its slightly loose in its brass body and i can blow through it a wee bit-so looking for a replacement-now it doesnt look new,looks very like the ones found on a yb[doesnt say webber marelli or anything],but could do with getting one with the same spec to save any major calibration issues...any pointers folks

Last edited by arthur.d; 18 December 2015 at 11:30 PM.
Old 19 December 2015, 10:24 AM
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are there no marking at all on it ?
Old 19 December 2015, 10:48 AM
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sadly no,no writing at all on it
i think its a chinese one-so i may have sourced a repacement
i need to check it provides the same readings like for like temperature wise
in which case all good
if not its a bit of a pain as the readings will be out for the map
Old 19 December 2015, 10:56 AM
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any motor factors will hold a range of sensors, you could match it up that way if you have a continuity meter to match the resistance,
can u make up a quick test bench with meter and some hot water, so you can do the same test with a new sensor to see if you get the same resistance with the same temps?
Old 19 December 2015, 11:09 AM
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Originally Posted by JDM_Stig
any motor factors will hold a range of sensors, you could match it up that way if you have a continuity meter to match the resistance,
can u make up a quick test bench with meter and some hot water, so you can do the same test with a new sensor to see if you get the same resistance with the same temps?
yup-thats the plan-test it in ice water,room temp and boiling water
hopefully the new one will be air tight lol or its araldite or superglue to seal
Old 19 December 2015, 11:21 AM
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your thread size and the plug will help narrow it down
Old 19 December 2015, 08:47 PM
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the gent that mapped[very helpful] it is sending me an iat to replace it and a fresh map taking that into account
this sensor required an offset of 10 for the sensor reading compared to the ones of a known quality...sounds good
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