HELP!!!! Fast Idle then slow

[rawlydog]

So as stated before changed the IACV did the whole calibrate with base idle screw still fast. unplugged MAF car stalled.cleaned it with a spray cleaner put it back on began to idle normal for a while now starts runs very rough and back fires into the intake mannifold then stalles.Is the MAF bad?no check engine light.I have an actron obd ll scanner brand new first way to fast now way to slow.......HELP

[jmrivera]

You should post this in the appropriate Technical Forum... I read in your other post you have a '97 Disco., so post it in the D1 section...

Did you try searching that forum for the info.?