6.2L won't idle

[dsherrier]

I have a 2004 6.2L bravo 3 that will not idle. I changed the fuel filter, checked the fuel for water and checked the plugs. All is good. What are the chances that it is the iac valve? The diagnostics beeps twice every 60 seconds.

 

[milan]

Re: 6.2L won't idle

I have the same problem. I have checked ignition, fuel, ect(engine coolant temp),TPS(throttle position sensor). I'm convinced it's the IAC (idle air control) valve. I ordered a new one today. Won't get it for a week or so. I haven't had much help from this site.