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ECMlink help with cold start issue

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matt98eclipse

15+ Year Contributor
1,078
0
Aug 15, 2006
mesa, Arizona
Hey guys when i start motor cold it doesnt wanna stay running at all. I have to give car little gas intell motor warms up then car idles just fine on its own. Mods are in profile. Running dsmlink v3. Im pretty sure cars running to rich. Im fairly new to link so not sure how to mess with the cold start up enrichment futures.

Any help would be great! Would love to be able to just start car and let it idle on its on while cold :D
 
Do you have the ISC and/or FIAV blocked?

I have both those blocked and I have to hold about 5% throttle until warm. Once warm she will sit there and chop away on Kelford 280's at around 1000rpm forever.. 12.0 AFR is normal at startup as the ECU is riching up the mixture until coolant temps rise..As they rise you will notice them falling closer to stoich (14.7)
 
Do you have the ISC and/or FIAV blocked?

I have both those blocked and I have to hold about 5% throttle until warm. Once warm she will sit there and chop away on Kelford 280's at around 1000rpm forever.. 12.0 AFR is normal at startup as the ECU is riching up the mixture until coolant temps rise..As they rise you will notice them falling closer to stoich (14.7)

hey would this effect an idle? my idle is kind of eratic. not a whole lot just jumps up and down about 100 to 200 rpms ive tightened all my manifold bolts and am about to do a boost leak test. would you know the answer to this? and to the OP my target AFR is 14 and mine idles high when i first start it up and then it idles down 12 seems a little lean to me, but im a new guy so who knows.
 
Do you have the ISC and/or FIAV blocked?

I have both those blocked and I have to hold about 5% throttle until warm. Once warm she will sit there and chop away on Kelford 280's at around 1000rpm forever.. 12.0 AFR is normal at startup as the ECU is riching up the mixture until coolant temps rise..As they rise you will notice them falling closer to stoich (14.7)

Actually i do have both the ISC/FIAV blocked off. So its normall to have to hold the gas around 5 percent throttle intell motors warmed up then? Cause thats excatly what ive been haveing to do. Once motors warmed up it idles perfect.
 
From what I have heard/read this is normal. Maybe some others can chime in. Even once warm I can bearely keep mine running pushing the clutch in due to what I'm taking is the QM twin, Fluidamper, DSS 3.5 Aluminum driveshaft, Chromoly flywheel ect..
I just have no inertia.. I'm sure these cams dont help. I'm gonna mess with the tip in and see if that helps.
 
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