disapeared choke

[hennie]

my choke has disappeared in my car
it starts first crank struggles to idle at 400 rpm then after a while it picks up and runs at a steady 900 rpm
ive tried different idle control vales different afm`s different tps switches
no leaks in pipes if i put the air con on the revs stays the same
ive change the thermo sensor blue one next to temp sensor nothing choke is not coming backjavascript:emoticon('')
Cry
is there something im ovelooking

[jbee]

you could try taking it for a tune up.
just a thought

[d6dph]

Plug under the inlet manifold was the cause of my bad idle. open it up and check for corrosion.