was IACV AGAIN - now more questions

thanks for your replies. I was informed previously the iacv was an 'on - off'
solenoid & was liable to sticking & I should clean & free it - It's obviously
not that type!!!

The throttle cable is fine & the 2 springs snap the throttle closed. Saturdays
experience shows it's not this. Bonnet off, air filter off, throttle butterfly
fully closed, engine @ 2.5 to 3k revs!!!  Blipping the throttle gave the
symptoms of pulling a manual choke out when warn (ie it didn't rev higher - it
tried to stall).

?????? Under NORMAL working - on tick-over. assuming the iacv will be open
(pulled in) so air bypasses the butterfly (how much should it be open? if it's
a stepper motor it must therefore give variable openings & therefore more air
intake & therefore more revs)??????

So? can I start the engine without the iacv screwed on the plenum & without it
wired up - then connect it up and watch it move out & pull the connector off
(or does it move out too quickly to pull the wires off before it drops out)??

I agree I've probably listened to some incorrect advice & bu@@ered the iacv. &
will need to replace it, but if they don't usually go wrong (or do they) then
I'm back to square one. (and why only when I've got it hot)?

Or could it be the MEMS not sending a signal correctly?? - can this be checked
(no flying lead/s to connect to)
What's involved in swapping to Emerald?? as per advice from a Ne7ener Guru
(don't start arguing)!!!
Do I need a laptop to program Emerald or what? -obviously I'd need to know to
what settings & knowing me I'd probably 'over adjust' something!!!
Or does it just get set up on installation and leave it at that?
What else is involved?
What else is needed?
Obviously I'd not DIY it!!! or could I???
Does it give an extra 10 bhp as claimed?

rog
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