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Hot Wire MAS Module???

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Old 05-27-2015, 03:58 PM
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Car: 1986 IROC Z
Engine: 305 TPI
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Hot Wire MAS Module???

I have a plug under the hood that according to the wiring diagram is supposed to go to the Hot Wire MAS Module??


Anyone know what that is and where it's located?


Thanks!
Old 05-27-2015, 06:33 PM
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Car: 87 IROC
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Re: Hot Wire MAS Module???

It is more commonly called a MAF = Mass AirFlow sensor. 3-4" diameter, 6-8" length, and sits between the air cleaner and throttle body.

Thanks to Scott Moyer for the base image:

Old 05-27-2015, 06:38 PM
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Re: Hot Wire MAS Module???

OK, I know what that is..thanks. Beautiful engine compartment BTW...
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