I will try and expand on how this idle problem came about(caused by myself)should have left well alone!
Car came in with eng light on,(although running as normal)plugged in my Launch Diagun, fuel trim fault,cleared fault,road tested,ok.as car is just poodling around town most of the time, I thought I`d give car back and let it develop,after road test I had a play with the Launch, see what it could do, went to adjust idle speed, thought it was running a little slow,tapped "increase" a few times(no indication as to how much it was increasing by)and it wasn`t increasing as I was tapping the screen, so came out of the sreen,engine revved to 2000rpm,went back to the screen to decrease, hit decrease once,engine falls back to normal idle(no save button on screen)car can now be driven as nothing wrong,when diagnostic lead unplugged car revs up to 2000rpm again,no fault codes.
So I`m thinking that LEE might be right in what he says.Will contact supplying dealer on monday for security code to reset ECU.
I also thought that using a more dedicated bit of equipment might get things back to normal,so borrowed Vaux Com for w/end,hence my enquiry.There seems to be a facility in programming to reset desired idle, but I can`t remove the 2000 figure to replace it with a suitable numbr.sorry for the long story,Thought I should tell it like it is.Thanks again.
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