[s-cars] By-passing the CPS

Steve Powers sbpowers at gmail.com
Sat May 12 11:17:32 EDT 2007


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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