What is your idle AFR??? My car wll not idle?

[nitrorocket]

My car used to idle with an AFR of about 11:1. Now I leaned it out to about 13:1 and it will not idle anymore. I tried taking air from the IAC in park/in gear and it did not change??

Any advise? Kind of embarrasing having an 800 hp car that will not idle!! :oops: :(

[dissonance]

Are we talking warm up? Or normal idle? I was messing with my ve tables today and noticed with the stock ve +15% "mafless at the time" and my car was idling at 17:1 with no problem...

I think warm up afr is some place around 13.5:1 "stock" and maybe 12.5:1 on a colder start. So it should idle fine @ 13:1... Sounds like something else maybe wrong and adding more fuel is keeping the car running.

What kinda timing are you running at idle? I don’t know a lot about FI so it maybe related to that or the idle afr should be something different then an N/A car.

[nitrorocket]

I cannot remember for sure. But I think it is at about 22 degrees at idle. I would have to look for sure. I got the timing tune from Wait4me. It idles better with his idle table then the stock, with the stock it roamed. But after I leaned out the idle, it just dies. I guess I just have to keep messing with it. I just wish I new exactly wich direction I should go with certain things. :)

[QUICKSILVER2002]

My car used to idle with an AFR of about 11:1. Now I leaned it out to about 13:1 and it will not idle anymore. I tried taking air from the IAC in park/in gear and it did not change??

Any advise? Kind of embarrasing having an 800 hp car that will not idle!! :oops: :(

I'm not sure exactly what you mean when you say AFR. When you say the car would idle at 11:1, do you mean comanded or actual?

[nitrorocket]

11:1 AFR(AIR FUEL RATIO). That was actual AFR. Commanded is 14.7:1.