[alfa] Re: GTV6 - hard start after sitting in sun

[Joe Elliott <jee@xxxxxxxxxxxxxx>]

Cold start injector open when it's not supposed to be (i.e. bad 
thermo-time switch)?  Try disconnecting the cold start injector 
before you try to start it in those conditions, and see if it behaves 
any better.

Joe Elliott
'82 GTV-6

At 6:36 AM +0000 11/1/04, alfa-digest wrote:

> Date: Mon, 01 Nov 2004 12:13:12 +1100
> From: Scott Murray <murraysc@domain.elided>
> Subject: [alfa] GTV6 - hard start after sitting in sun
>
>  Hi Folks,
>
> having an issue with starting the GTV6 after it's been sitting in the
> summer sun for a period of time.  It 'seems' almost as if the injectors
> are leaking during the day, as the car floods as soon as you try to start
> it - and then it will take about 40 seconds of cranking with the throttle
> wide open to clear the engine enough for it to catch-  often only
> clearing 5 of 6 plugs - meaning you have to manually clean one to get the
> engine running smoothly again.   (wet with fuel, and a little oil or
> general gunk  - the plugs are the correct colour otherwise)
>
> I've tried opening the fuel cap in the middle of the day, to see if I
> could hear a 'phsst' as the pressure escapes - indicating a blocked air
> bleed or similar causing the system to pressurize in the heat, but that
> doesn't seem to be case - Is it possible for pressure to build just in
> the fuel rail ?   I assumed the return side had a clear path back to the
> tank, but maybe not ?
>
> The car has done this for a few years - every summer,  and many things
> have been replaced / serviced etc in this time.  The heads have been
> completely reconditioned in the last 4 months,  including
> cleaned/reconditioned injectors. (perhaps they start to leak at certain
> pressure
>
> I did wonder - if one or two plugs foul - shorting the spark - is that
> enough to disrupt the spark to the rest of the cylinders ? 
> I guess i need to be more systematic to trace this out - just wondered if
> this makes anyone go 'Ahhhh  I had that too and it was this ..... '
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