[s-cars] By-passing the CPS

[Mark Strangways]

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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