does IAC placement matter? (in a blow through application)
06-03-2010, 05:57 PM
#1
4th Gear Member
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Join Date: Mar 2009
Location: NC
Posts: 1,909
does IAC placement matter? (in a blow through application)
So I have essentially switched to a blow through system now. Only problem is the car will not run until it is tuned (on saturday)
My question is that some people are telling me that my car will not idle correctly when the IAC is before the MAF. How true is this? Do I REALLY need to weld another nipple onto the intake pipe for the IAC or can I get by with where it is at right now? (currently on the intake side of the blower, before the MAF now)
My question is that some people are telling me that my car will not idle correctly when the IAC is before the MAF. How true is this? Do I REALLY need to weld another nipple onto the intake pipe for the IAC or can I get by with where it is at right now? (currently on the intake side of the blower, before the MAF now)
06-03-2010, 06:13 PM
#2
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
The IAC (Idle Air Control) valve is on the throttle body; are you speaking of the air feed pipe to the IAC?
If so, then yes the IAC needs to be fed from a metered source, I.e. after the MAF so that the PCM knows how much air the IAC is passing...
If so, then yes the IAC needs to be fed from a metered source, I.e. after the MAF so that the PCM knows how much air the IAC is passing...
06-03-2010, 07:10 PM
#6
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Join Date: Dec 2007
Location: Houston, Tx
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