Re: Ur-q duty cycle wrong.

[Martin Pajak <quattro@rogerswave.ca>]

Plugs cap and rotor are new (used silver plugs).
Also the car runs fine at idle as long as CO is adjusted right.
I can take it for a spin and actually have some power on tap.
It's the duty % that worries me.
It's the possible cause of no output (duty cycle 0%) to the Frequancy valve on
the original computer.


> I'd check the plugs, cap, rotor, wires, coil.  In fact the entire
> ignition system.  An ignition miss can cause this - O2 sensor senses
> O2 in the exhaust - misfire means lots of O2 in the exhaust and
> the ECU will think you are running lean and peg the frequency
> valve at 95% or so.
>
> I agree with looking at the plugs first.
>
> Orin.

 Thanks

--
Martin Pajak

http://www.geocities.com/MotorCity/5939

1982 Audi Coupe Turbo (475,000 km)
1982 Audi Coupe Quattro (155,000 km) Coupe with 4kq floor
1983 Audi Ur-quattro (220,000 km)
1986 Audi 4000 S Quattro (360,000 km) with 5 bolt pattern

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