From cold the idle is up & down now ive changed iscv & the map sensor & it's still does it but it stops doing it when it's warmed up

 

could a case the mixture is wrong or base idle is set too low and im sure the list no doubt could go on!

 

got the same problem on mine mate, i think its the blue water temp sensor. im goin to order a new one so will let you no wot happens bud

 

I have always had this problem, it could be a few things.

I suspect it's your TPS at fault, in your case you can unplug it, as a test, and see if this makes any difference, if so then you need to look at calibrating the TPS etc.

When you say you changed the ISCV, I suspect this will be a pattern one off the bay etc?

If so these arn't that good, I have one myself and whilst it got rid of my hunting problem it run very fast with it, so much so I reverted again.

The reason being is the incorrect springs being used, you can get them to work but they need a lot of playing around with, I have to do this with mine.

Martin