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i cant get my idle down, please help???

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Old May 14, 2012 | 01:17 PM
  #1  
91formula-fbody's Avatar
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Joined: Dec 2009
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From: california
Car: 1991 pontiac firebird formula
Engine: 5.7L HSR, 58mm tb,24lb inj.,lt4 cam
Transmission: 700r4,3000 stall,stage 2 shift
Axle/Gears: 10bolt 3.23 ratio
i cant get my idle down, please help???

ok im not sure but i think this is the problem, my old idle air control valve connector that plugs into it was old and brittle and broke when i disconnected it so i took one of of an old wiring harness. but when i swapped them out i didnt get the wires in the correct order and tried reseting the iacv and tps and had too close the tb blades all the way and back the screw all the way out to get it close but couldnt get it no where near 450 rpms when i was trying too set muinimum idle? does any have a pic with the colors and diagram for the iacv connector? any ideas why this may be happening
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Old May 16, 2012 | 09:34 AM
  #2  
Atilla the Fun's Avatar
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From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: i cant get my idle down, please help???

Did you happen to damage any vacuum lines in the process?
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