slammin86

iTrader: (4)

Until this year my car has always hibernated in the garage during the winter months but this year I have had to drive it some. I am having a cold start issue that I have tried working through on my own without much luck. I have ran the "russ k" idle config several times.

The problem I have is when the car has been sitting a long time and the ECT are down in the 30-40 degree range. On initial start it will die. Then I can start it again but have to briefly pump the gas to keep it running. Attached is a log of this issue as well as a tune from after this most recent idle config and my config file. My config file has been attached as a zip file.

Car has no other issues other than this initial startup.

On this log you can see in the beginning that I have to pump the gas a few times to get it to smooth out then it does fine on its own.

My relevant mods are:
2004 GTO 6 speed
SD tune
229/234 .600/.612 111+4 cam
stock 243 heads
fast 92/92 combo
otrcai intake
longtubes
no cats

edcmat-l1

iTrader: (10)

You have too much idle air in the colder cells. You can't exceed 35 g/sec or it will cause the PCM to freak out and close the IAC.

Your IAC reset was set to 200. Needs to be 310.

Try this one out. Late Merry Christmas.

2004 GTO (83-idle) EH1.hpt

slammin86

iTrader: (4)

Thank you for your help. You must be on version 2.23 and I am still on 2.22 so I cannot open that file. I am looking now for a link to download 2.23. You don't happen to have one do you?

slammin86

iTrader: (4)

Thanks for your help. That tune helped the issue a lot. I think with some more fine tuning I can get it where it will cold start without me pressing the gas.

mark97ta

iTrader: (1)

the stock gto iac counts is set to 200 from the factory and f boby's are set to 310 btw