Help - Lotus
BLEVINSBK at aol.com
BLEVINSBK at aol.com
Fri Jul 12 16:24:37 EDT 2002
In a message dated 7/11/02 10:38:35 PM Eastern Daylight Time,
brett at cloud9.net writes:
>
> >1.) While running at idle there is the click...click...click....
> >sounding like a relay toggling.
>
> Idle Stabilization Valve, maybe? Where's the click coming from?
>
>
> >2.) When coming totally off the gas there is a tendenacy to backfire
> >like. There is this economy mode, that apparently Lotus added, that
> >is supposed to cut off all fuel delivery when one comes completely
> >off the throttle at speed. Does seem to be doing that, hence the
> >backfire like condition.
>
> This is in most of the CIS systems out there...pretty common.
>
> Check the idle switch on the throttle and what is usually called
> something like "deceleration fuel shutoff valve".
>
> Take it for what it is(suggestions from an Audi guy, not a Lotus guy
> :-) and what it cost(nothin'!), but I hope it gets you in the right
> direction.
>
>
> >3.) The guy would really like a book or service manual for this
> >Bosch system, aka the "Bible" showing and describing all pins outs
> >associated with the ecu. Seem to remember someone mentioning that
> >sort of thing here for a Bosch system.
>
> Bosch Fuel Injection, by Probst(sp?) Picked my copy up at Borders, I
> think. Front cover is a picture of a MAF sensor with the wire
> glowing. It covers CIS and EFI theory of operation in detail, but
> won't have anything specific to your friend's car. It is good for
> understanding how and why things work in CIS.
>
> Factory repair manual is probably your best bet for wiring diagrams
> and such; if your friend balks at the cost, he shouldn't be driving a
> Lotus ;-)
>
> BTW, I could swear I've seen a Lotus Espirit Turbo mailing list
> somewhere...poke around with Google and see if you can find
> anything...if such a group exists, they'll be a lot more helpful than
> us Audi folk! :-)
>
> B
There is in fact a Turbo Esprit mailing list. I was a member until
recently... until a vacation and an extended full mailbox ended the Lotus
portion of my 2 portion mailbox. These are common complaints for the Lotus
K-jetronic cars. I seem to recall that subject(s) surfacing often on that
list. brian
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