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Jim.
How should the starter cables be connected? I'm having cold start problems,
too.
I know my temp sensor is out of order, and she seems to run way too rich.
For the moment I have a manual on/off switch and a little potentiometer8奓ed in on the temp sensor wiring, which enables me to from the drivers
seat manually "fool" the ECU to enrich the mixture. I kind of imitate the
sensors behaviour. With the pot I can regulate the resistance and the
mixture. When she starts getting warmer I turn off the switch, ("sensor
hot") and goes to "normal mix" state.
It works, but not very well... she often get "flooded" and I get foule plugs
and lousy mileage.
I like to restore the cold-start and warm-up systems, but I am suspectible
about if everything really is connected right. PO made a engine swap, so who
knows?
I guess some day I have to tear down the whole FI and restaurate it piece by
piece...*sigh*
/Karl-Olov Sandin
'73 Squareback FI
>>
> On 7 Dec 98, at 23:47, Dave Hall wrote:
>
> > The cold-start injector only works when the engine is being started;
> > it works from the solenoid circuit.
>
> On 72s, with the computer diagnosis circuits, it is possible for the
> starter wires to be put on wrong leaving the CS system energized all
> the time. This sends an incorrect signal to the brain, but still
> doesn't fire the CSV except in cold weather or if there is a failure
> of the temp switch or if someone has left the temp switch wire off
> and allowed it to fall against a ground.
>
> All these things are possible, and can be difficult to find.
>
> Jim
> -
> *******************************
> Jim Adney, jadney@vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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