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Re: [T3] Rough or no idle when cold


Mark Fuhriman wrote:

> By that, I assume that when you jumped the wires across the fuel pump relay,
> the pump hummed for you.  But this still didn't solve your problem.  Is that
> right??

This is correct.

> I forget what year you're talking here.  But regardless of year, this is a
> good way to help start a flooded engine.  I don't recall exactly the context
> of your earlier questions, but what you describe above points to an
> excessively rich condition that seems most severe when cold.  How is your
> fuel economy when it's up and running?

The car is a '69. At first I thought this was a warm / cold engine thing. But
now I'm not sure. Once it starts I can shut it off and restart it without
touching the pedal, *unless* it sits for an hour or so..............

> As Jim says, Measure the system voltage when warmed up and the engine
> slightly revved.  Should be above 14V.  If not, the voltage regulator under
> the rear seat is going or gone.

I did this when I first got the car because it would idle and was running rich.
The culprit there turned out to be a disconnected hose .

> Do you have a cold start injector?  If so, disconnect it and see if that
> helps.

I don't know, where would it be? FI is new to me. I do
carbs........................

> If you have a 68 or 69 and are running the "A" brain, you should try a "B"
> brain.  The letter is the suffix of the VW part number stamped on the box.

Why is the "B" brain better?

Thanks,
Greg


--
Vintage Warehouse
PO Box 2321
Windsor, Ca. 95492
707.291.7606
http://vintagewarehouse.com



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