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Old 20 May 2008, 07:46 PM
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best_quality03
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Default 2002 sti MAF not connected

Hi Guys/Gals
picked up my wifes 2002 wrx sti type uk today after her type ra was stolen!!!! I didn't notice untill i got it home but the MAF is not connected and 2 wires have been cut from the connector. These 2 wires have then been wired into some sort of sensor on the underside of the intercooler any ideas WHY????? and what i should do about it?????? Thanks in advance

cheers
Tim
Old 20 May 2008, 07:56 PM
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andy97
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If its got and aftermarket ecu that doesnt use a maf, eg simtek. The wires could be connected to an air temp sensor, and its easier to use the existing loom back to the ecu.

Is this a replacement car newly purchased?
Old 20 May 2008, 08:01 PM
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best_quality03
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Hey Andy

Yes got the car today other than after market lights its totaly standard even got a mild steel exhaust!!!! I havn't checked the ecu but everything else looks untouched
Old 20 May 2008, 08:38 PM
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bttt
Old 20 May 2008, 09:08 PM
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I would recon the standard ecu is using charge temp sensor instead of measuring temp at maf which maybe quite a good idea
Old 20 May 2008, 09:12 PM
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tiny gsy
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I reckon on it having a Simtec.

Does the sensor look something like this:



If so then IMO its got a simtec
Old 20 May 2008, 09:17 PM
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best_quality03
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thanks for replys
should i get it looked at? i havn't had the time to get a good look yet but will remove intercooler later in week to get a better look. the car feels a bit flat but i'm used to a daily drive with much more power so i can't tell!

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Old 20 May 2008, 09:19 PM
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best_quality03
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i can.t see the sensor its on the underside of the intercooler but from what i've seen it looks like the one you show but it's black. Looks like a temp sensor to me
Old 20 May 2008, 09:20 PM
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best_quality03
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this car is totaly standard from what i can tell
Old 20 May 2008, 09:29 PM
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tiny gsy
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have you got any contact details for the previous owner then? maybe they could help you
Old 20 May 2008, 09:32 PM
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best_quality03
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not yet only got car today so won't see log book for a week or so. its only done 29,000 mile but has limited history but it was cheap
Old 20 May 2008, 09:47 PM
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Originally Posted by tiny gsy
I reckon on it having a Simtec.

Does the sensor look something like this:



If so then IMO its got a simtec
I see where you coming from. But why would you have a simtec on an otherwise standard car. Unless ofcourse its been put back to standard. I have a similar sensor to that picture in my intercooler but its only there to measure charge temp on a gauge
Old 20 May 2008, 09:57 PM
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you would have thought that they would have removed the simtec when putting back to standard
Old 20 May 2008, 10:25 PM
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bttt
Old 20 May 2008, 10:53 PM
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tiny gsy
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Not necessarily as they may have sold the old ecu on. IMO you`re best bet is to try and get hold of theprevious owner. Thats your best bet of finding out what exactly is going on. Alternatively, take it to a tuner that will have some idea of what it is they`re looking at
Old 21 May 2008, 12:31 PM
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If its a simtek, you might need to remove the ecu casing unless someone has written on the outside of the case.
Old 21 May 2008, 12:39 PM
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If it is a simtek, I will gladly swop my standard ECU for it.
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