s2 idle

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the only problem that i know of now is an old one i had before the rebuild the throttle response is slow to react,if its taken up to 3000 rpm from tickover and then you release the throttle it will drop to 2000 rpm and then take about 15 seconds to drop back to tickover @1000 rpm i have never managed to get the tickover below 1000 rpm i have just changed the throttle pot and its still the same i reversed the connectors on the air flow meters but no change, has anybody sufferd this and any ideas on what to do,next do you think the idle control valve could be at fault as i cant think of anythig else

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hi checked the servo pipe its ok cleaned the airflow meters and the idle control valve stll the same throttle returns to the stop ok,so i then got braver i disconnected the idle valve better but still not right dis con each airflow meter in turn 1 made little difference but the other raised the idle to 2500rpm then went looking for an air leak and found that i had not connected the little rubber pipe from the back of the pressure valve to the front by the throttle bodies doh now it returns to idle much quicker but still to slow so i disconected the idle control valve again and it has cured the problem instant return to 1000 rpm idle, now as tvr git says i have solved the problem but probably not the cause unless i have a faulty valve it seems ok in its free and clean inside but how would i check it anybody got any other ideas?

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hi update cleaned the multi connector that sits under the coil changed the water temp sender on the plenium and it now idles at 1000 rpm with the idcv connected. it it still slightly slow in returning back to idle from 3000 rpm back off and it drops straight back down to 1500 rpm and then to 1000 but i can live with that now i dont know if any of the above actually cured it,as said on the 2 posts it seemed a lot better when i first started it this morning before i started on it so may be it just needed to sort itself out also the rad has stopped leaking maybe i should have just put it all in the garage and let it fix itself many thanks for the replies.seats in tomorrow carpets to stick back down, later on in the week the bonnet back on and then the mot