high idle when first starting the car?

[93AWDDSM]

when i first start my car the rpms go up to about 2000 and then as the car gets warm it goes to 800 and stays perfect?

any ideas? just a choke?

 

[hhuricane]

That's what it is supposed to do. All cars idle high when started cold and idle down as they warm up.

 

[93AWDDSM]

it never used to do that.

do you know anything about camber wear on 1g?

 

[dsmdeliveryboy]

It shouldn't idle up to 2,000 RPM, and the idle should set at 700rpm once warmed up. Check your BISS.

 

[HareyCarey]

Actually that sounds more like the isc or a leak. Maybe even the ecu but it seems from your picture that you are from a colder region so I would say that a high idle(via the fiav valve) is normal but, maybe not THAT high. Have you checked for leaks and tested your isc?

 

[93AWDDSM]

no, im trying to adjust the ISC and idle, but i can't find the Tachometer test connector?

 

[Guzman08]

i always thought it was suppose to do that since its in an open loop until it gets warmed up and turns into a closed loop

 

[93AWDDSM]

is there a picture of where i connect the tachometer to the test connector on the firewall?

 

[93AWDDSM]

so i adjusted the BISS, and nothing. still same thing.

when cold, and started idle runs about 2000 rpms, and goes lower once it gets warmed up(750-800rpm)

maybe TB needs cleaned? it didn't used to idle at 2000 rpm then drop to 750.

it always used to idle when started at about 1000-1100 then drop to 750.

any ideas guys?