2nd Generation Specific 1986-1992 Discussion

New Afms Or Mafs Or Whatever

Old 05-07-2004, 02:28 PM
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I was wondering if any other AFMs or even MAF sensors are out there that would work with the 2nd gen. Like if you took it and re-pinned it would it have the same connectors and would it be compatible or no?
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Old 05-08-2004, 07:02 PM
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As long as the volatge range is the same, any one would work as long as you re-pin it the correct way. Usually you have a 12V+, a 5V+ ref., a V-, and I think there are 2 signals, one being a completely shut, and one being a variable range.



If the range is different, you would need to change that by amplifiying the signal, or weakening it. I cant remember the range on the stock one. Last time I played with it was when I made my MAP to AFM converter. Its a decreasing signal (the farther the flap opens, the voltage decreases). I believe the range would be 2 to .5 or something like that. Its really easy to find out the voltage when you have a SAFC.
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Old 05-08-2004, 07:40 PM
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the v6 probes have a larger one.



there is a 2 pin temp sensor, then a 5v power, ground and then the signal.



the range on an fc is 5v-0v, 5 being closed, idle is like 2.25ish and fully open is sometimes negative
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Old 05-09-2004, 03:55 PM
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Would any MAF sensors work? Or would those just straight up not be compatible with our stock ECU's?
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Old 05-09-2004, 05:35 PM
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the v6 probe/93-97 v6 626 ones work, same plug and pinout. also the 20b cosmo, but its prolly to rare to use?
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Old 05-09-2004, 09:41 PM
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Cool, i'll try to get one of those sometime and i can test it out next time i hit the dyno!!
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