TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

I Need To know What Does These Mean & DO

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Old Mar 21, 2007 | 01:12 PM
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redline_racing's Avatar
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I Need To know What Does These Mean & DO

hello,I need to know what does these do and what purpose do they serve?305TBI

IAC:
Means and what they do fir the car
TBS:
MAP Sensor:

WHAT DOES THESE DO ??????????THANKS ROB
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Old Mar 21, 2007 | 01:18 PM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: I Need To know What Does These Mean & DO

IAC = Idle Air Control, a valve to control the amount of air entering the engine at idle and therefore the idle speed.
TBS = Probably should be TPS, Throttle Position Sensor, tells the computer how far open the throttle is.
MAP = Manifold Absolute Pressure sensor, measures air pressure inside the intake to determine engine load.
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Old Mar 21, 2007 | 01:43 PM
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Re: I Need To know What Does These Mean & DO

because I dont know what wrong with mine bad idle slow *** take off leads to stalling and putt ing and I dont know what wrong with it the previous owner rebuilt motor and trans and needed the liittle kinks to be worked out>?
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