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IAC adjustment on 1991 Brougham 305 V8

Started by cadman56, November 21, 2014, 04:51:22 PM

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cadman56

November 21, 2014, 04:51:22 PM
Does anyone know how to adjust the IAC ( idle air control ) on this engine?  The IAC is original, not a new one.  I have installed a new engine and transmission in this car.  Also are new sensors & controls.  All parts are AC Delco brand. 
The engine seems to run fine but exhaust smell is very sweet  & the engine evenly pounds at idle.  Gas mileage is off by more than 10%.
I installed a new fuel pressure kit & new gaskets/seals in the TBI.  Fuel pressure is 9 psi. & timing is at 0 deg. per emission decal.
Any help is appreciated.  Thank you in advance.  Larry
1956 Cadillac Coupe deVille (sold)
1956 Cadillac Convertible (sold)
1956 Cadillac Eldorado Seville (sold)
1967 Cadillac Eldorado (sold)
1968 Cadillac Convertible (Sold)
1991 Cadillac Fleetwood Brougham dElegance
Larry Blanchard CLC #5820
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