Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

MAF sensor wire??!!?

Old Apr 1, 2009 | 08:37 AM
  #1  
zakks92maro's Avatar
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MAF sensor wire??!!?

ive got a 92 z28 with 350 tpi. i know the MAF sensor is between the throttle body and the air filter, but there are no wires connecting the MAF snesor to anything. i cant seem to find them though. am i just missing the wire completely or does it have a secret location somewhere i dont know about???
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Old Apr 1, 2009 | 11:45 PM
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Car: '91 Z28 convertible
Engine: TPI
Transmission: T5
Axle/Gears: 3.27 posi disc
Re: MAF sensor wire??!!?

If you got the original 90+ TPI setup, it doesn't use a MAF sensor. They used it only on the TPI systems until '89.

Hope this helps.
Lou
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Old Apr 1, 2009 | 11:50 PM
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From: sunny so cal.
Car: 1990
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: MAF sensor wire??!!?

you HAVE A MAP - mass air pressure - you don't have a MAF - mass air flow. the maf requires air to pass over the wire to tell the computer how to react and what is happening.
your map uses air pressure in the manifold to tell the computer what is happening and how to react.
but you are right about the location, if you had a maf.
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Old Apr 2, 2009 | 11:35 AM
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zakks92maro's Avatar
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Re: MAF sensor wire??!!?

i know its not the original engine, it might have been a 305 TPI consideringit was a z28, but idk if its the right wiring harness or computer. i dont know much about the electronic ****! STICK TO CARBS!!!!!!
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Old May 17, 2009 | 06:57 PM
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From: DE
Car: 1990 Firebird Formula
Engine: LB9 - 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73, LSD
Re: MAF sensor wire??!!?

Is there any way to improve/clean up the MAP sensor like you can with the MAF?
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Old May 17, 2009 | 11:42 PM
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Car: '91 Z28 convertible
Engine: TPI
Transmission: T5
Axle/Gears: 3.27 posi disc
Re: MAF sensor wire??!!?

Nope. The MAP provides pressure readings to the computer so that it can adjust the engine fueling and timing. There is nothing that can be improved on this simple sensor.

Lou
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Old May 18, 2009 | 08:34 PM
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From: DE
Car: 1990 Firebird Formula
Engine: LB9 - 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73, LSD
Re: MAF sensor wire??!!?

Alright, thanks for the reply.
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