Date:         Wed, 3 Jun 2009 07:51:10 -0400
Reply-To:     Kenneth Lewis <kdlewis@NORTHSTATE.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Kenneth Lewis <kdlewis@NORTHSTATE.NET>
Subject:      Re: Why does the fuel pump cycle twice?
Comments: To: Gregor Brandt <gbrandt@gmail.com>
In-Reply-To:  <157709e50906021851v26dcce9fo196f55ef73f7bff6@mail.gmail.com>
Content-Type: text/plain;charset=iso-8859-1

Gregor,
The injectors are wired in parallel so they all fire at the same time. I
agree, it doesn't sound very efficient.  I assume they only are operated
for a fraction (one quarter?) of the duty cycle to get the proper charge.

Ken Lewis
http://neksiwel.20m.com/

On Tue, June 2, 2009 9:51 pm, Gregor Brandt wrote:
> If the FI fire everytime a spark fires, and there are four plugs
> sparking at different times, does that mean 3 times out of 4 we are
> throwing fuel into a cylinder that is not firing?  Where does that
> fuel go, is it wasted?
>
> Gregor
>
>
> On Tue, Jun 2, 2009 at 7:32 PM, Ken Lewis <kdlewis@northstate.net> wrote:
>> Robert,
>> That sounds like normal operation. The injectors fire every time a spark
>> plug does. The fuel pump runs for a few second every time an injector
>> fires.
>> When the engine is running the pump never times out and runs
>> continuously.
>> Ken Lewis
>> http://neksiwel.20m.com/
>> in statu viae
>>
>
>