Last month while installing injectors I accidently crossed a coolant and vac hose which introduced coollant into the motor. Eversince I hve had a weird idle problem, at start up the car wont hold idle and it takes maybe 3 starts to get the car to hold idle. After that the car runs normally and holds idle fine. Everyone once and a while it will die at a light then start again but have a lumpy idle.

 

The O2 sensor could be bad. They don't care for antifreeze. The O2 sensor is used for idle, so I think you see where this is going.

 

is there a way to test it?

 

Are you sure the O2 sensor is used for idle? I've never seen it anywhere other than pegged rich at idle, and mine idles fine without the O2 sensor connected at all.

-=Russ=-

 

O2 is used at idle and cruise. Try that. But also you said new injectors, so maybe something happened with those.

 

Have you cleaned or changed your plugs?

 

I killed the plugs when the coolant went in so they are only about a month old.