5ktq electrical problems update (not fixed)

[Cody Forbes]

My EFI does have voltage correction correction. I am using slightly bigger
injectors on this one,  42lb/hr instead of 38lb/hr, but I'm positive its
ignition. If I turn on the lights with highbeams the car won't rev above
3000rpm wide open and it dumps black smoke and fills the area with fuel
smell. I do have the EFI set a bit on the rich side, but not THAT rich.

-Cody

----- Original Message -----
From: "Eric" <eric_audi.ql at mindspring.com>
To: "Cody Forbes" <cody at craincorporated.com>
Sent: Tuesday, September 23, 2003 7:28 PM
Subject: Re: 5ktq electrical problems update (not fixed)


>
> Cody Forbes wrote:
>
> >
> >
> >I have a feeling there is something wrong with the diagnostic system
here.
> >This is an EFI car, the CIS is sitting next to my toolbox a few rooms
away,
> >yet the car still throws no codes whatsoever. My first though was it
would
> >be a waste of time to check codes because it would throw a dozen "your
CIS
> >is broke" codes at me, but I finnally checked a few days ago it got a
4444
> >(ran it 3 times to be sure).
> >
> >
> >
> >
> >
>
> This may be way off base, but just a thought to add to the flood of
> thoughts from others.  Since this is EFI are you using injectors you
> have used before?  If they were large you might run into problems with
> not getting the flow you expect at lower battery voltages.  Some EFI
> systems actually correct your duty cycle vs battery voltage to
> compensate for this.
>
> A long shot I know.  Ignition sounds far more likely, but who knows...
>
> --
> Eric Sanborn
> '85 4ktq - 225k+
> '8X VW Race Rabbit - EFI
> '89 Honda CRX Si - 175k (Wife's car)
> '88 Chevy Suburban - 190k (Tow vehicle)
>
> http://www.mindspring.com/~robinsanborn/4000/
>
>
>
>