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Re: fuel-throttle enrichment switch question



The engine normally runs closed loop. i.e. it looks at the O2 sensor output
and adjusts the fuel mixture to keep it at stoichiometric (14.7:1). This is
good for emissions, good for fuel economy, not so good for power.
The full throttle switch tells the computer to go open loop which causes the
fuel mixture to richen. The engine will be noticeably peppier. You should
also test the switch periodically, since in my experience they last about
six months. (maybe it has something to do with activating the switch
everytime in every gear!)
The switch should have zero ohms with the lever depressed.
Dan

----- Original Message -----
From: Drew Teague <roccnroll@hotmail.com>
To: <scirocco-l@scirocco.org>
Sent: Wednesday, December 26, 2001 11:39 PM
Subject: fuel-throttle enrichment switch question


>
> Hey... I just realized that (after having recently scored a Bentley) when
I
> replaced my throttle body with the weber single valve throttle, the two
> leads that I carelessly ignored, (which had nowhere to go on the new
> throttle) were to the fuel-throttle enrichment switch.  Now, I'm assuming,
> that in my best interest, I should rig this to the new throttle to engage
> when it is floored.  What, specifically, does this do, increase the fuel
to
> air ratio?
>
> TIA,
> Drew
>
>
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