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Re: No spark 4ktq project
Hmmm,
I have two relays. both give same symptoms. Any ideas. How can
I check the relay> What pins do I need to check. And what am I looking
for?
Thanks
Todd Phenneger
1983 ur-q / black / getting a MC
1984 4000 quattro / modified/ turbo conv almost done.
1987 4000 quattro / Saphire Metallic Blue/ Girlfriend's
1996 A6q / Volcano / Dads Car
*****1985 5kt / PARTING OUT!
On Tue, 26 Oct 1999, Ti Kan wrote:
> Todd Phenneger writes:
> > 1) Fuel. I have fuel, but I have to much. when I turn key to ON
> > position, FP jsut stays on. I'm suspecting a Bad Check Valve or something
> > leaking pressure off. This with the assumption that the FP turns off when
> > a certain FP is reached. I guess that pressure is not being reached.
>
> Sounds like either a bad (sticking) fuel pump relay or faulty wiring
> in the related ircuit. The FP relay may click on momentarily to
> activate the fuel pump when you turn the key to "on" (to pressurize the
> system), but won't stay on unless it is getting ignition pulse
> signals from the ignition coil (early non turbo cars) or the ECU,
> which signifies that the engine is actually running.
>
> It has nothing to do with fuel pressures. The fuel pump always
> delivers too much fuel by design, and the fuel distributor has a
> pressure regulator that feeds excess fuel back to the tank via
> a return line.
>
> -Ti
> 96 A4 2.8 quattro
> 84 5000S 2.1 turbo
> 80 4000 2.0
> --
> /// Ti Kan Vorsprung durch Technik
> /// AMB Research Laboratories, Sunnyvale, CA. USA
> /// ti@amb.org
> ////// http://metalab.unc.edu/tkan/
> ///
>