[s-cars] By-passing the CPS with ether. Dieseling or not?

[Vincent Frégeac]

I tried the ether to know if I can make the week with my agonizing CPS:
worked great. Thanks again.

Now, I'm wondering what ether does exactly. It's too late, too tired in
fact, to check by my self, but I'm wondering if it replace the fuel pump
only by supplying some carburant, or does it replace the ignition too by
dieseling. Our AAN are quite high on compression for a turbo engine and,
IIRC, ether has an OI much lower than gas so it could, possibly, diesel in
our engine.

There's also this wavy idle I'd like to get rid of, being even worse after
bathing the ISV in carb cleaner for one night, plus the 2113 code I pulled
out, so probably I've a mix of low gas pressure plus dying ISV plus
agonizing CPS, all that not helped by the tired compression, pure S-Bitch
way. At least, WOT in 3rd is still flawless, and that's what I use most.

Anyway, she starts now, with some help from ether when needed, and that's
all I need until next week-end.


Vincent.

-----Message d'origine-----
De : Steve Powers [mailto:sbpowers at gmail.com] 
Envoyé : 12 mai 2007 11:18
À : Mark Strangways
Cc : Vincent Frégeac; s-car-list at audifans.com
Objet : Re: [s-cars] By-passing the CPS

I suppose you could use gravity to get it going. I used the starter.  <g>
What got the motor turning fast enough was the combustion of ether.

Steve

On 5/11/07, Mark Strangways <StrangConst at rogers.com> wrote:
> Kinda surprised that it worked.
> That would suggest that a good downhill bump start might try the motor
fast
> enough to get it going ?
>
> Mark
> ----- Original Message -----
> From: "Steve Powers" <sbpowers at gmail.com>
> To: "Vincent Frégeac" <s.sikss at gmail.com>
> Cc: <s-car-list at audifans.com>
> Sent: Friday, May 11, 2007 8:08 PM
> Subject: Re: [s-cars] By-passing the CPS
>
>
> On 5/11/07, Vincent Frégeac <s.sikss at gmail.com> wrote:
> > I've read somewhere that the role of the CPS is to tell the ECU the
> > starter
> > is actually cranking the engine so it's OK to activate the fuel pump
> > (something you don't really need a buried in 8h of work sensor to
> > realize).
> > Then, the engine speed sensor takes the relay and tells the ECU to keep
> > the
> > fuel pump running. This brought two questions to my mind:
>
> this is my understanding as well. I had a broken signal wire in my CPS
> circuit.
>
> I got my car started using ether, e.g. starting fluid, sprayed into
> the snorkle. I was checking for spark and was surprised it not only
> started but when the ether was used up, the car remained running. I
> tried it a couple of times to make sure before I grabbed the can and
> headed to the freeway to see if I could make full power (I could).
>
> Steve Powers
> _______________________________________________
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> S-CAR-List at audifans.com
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>
>

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