4kq v8 : EFI on NA I-5

[Jim Green]

> >Yea, the cold start thing is something that takes
> alot
> >of patience.  
> >
> >  
> >
> I have never had problems with cold start.  I live
> in the mountains of 
> Virginia now, so it is not Canada cold, but the car
> always started.  
> With the cam it sounded like it was about to die at
> any moment, but it 
> ran.  I think the key was the air bypass system that
> bleeds air past the 
> throttle plate until the water temp is 100F.  It is
> nothing fancy.  I 
> think it is a gas switch for multi-tank vehicles
> that has one of the 
> ports blocked off with a bolt.  So it just becomes
> an on-off air 
> solenoid that you can control via an EFI output with
> a relay.

Right, just so no one get's the wrong idea, the car
always starts, sometimes it just needs some careful
pedal work for a min. or so to stay running. It's all
just a matter of figuring how much extra air and gas
the car needs at that temp, which is usually not what
your goal is at 6:30 am on your way to work.

=====
Jim Green
'89 90tq
'89 80q
http://www.mswanson.com/~jgreen/car_home.html

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