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Old February 2nd 06, 01:49 AM posted to alt.autos.audi
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Default Audi 100 5cyl cold start problem

I have a Haynes manual with test procedures etc if you would like me to scan
it and mail it to you if what I have suggested doesn't help

Paul

Take out the spaces in the email address to email me directly
"pdpass" > wrote in message
...
> Just thought of something else. Are all of the wires connected especially
> the idle valve. They could be corroded check them just pulling them off

and
> refitting a couple of times might help.
>
> The rotor arm actually usually actually works the other way it will start
> when cold but not hot, however I have had similar problems, I still think

it
> might be the fuel relay. Don't forget that once it gets going it has to

keep
> up the pressure and that takes more power to do so, so still try the

bypass
> that I suggested mine also had the cold start issue. Just tapping the

relay
> sometimes was enough during cranking to get it to start. If this has been
> going on a while it is likely to have carbon deposits etc. You could

always
> take it out and take off the cover and have a look inside and see for
> yourself.
>
> By the way if it is make sure you buy the 5 cyl relaynot the 4 cylinder I
> think there is an over rev cutout that will kill the engine at lower revs

if
> you get the wrong one.
>
>
> PAul
>
>
> "sealdogfish" > wrote in message
> oups.com...
> > I also forgot to mention that the car does start every three days or so
> > and once it starts and warms up it runs fine. you can turn it off and
> > restart it but when it cools back down it wont start again for a few
> > more days at least.
> >

>
>



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