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Fw: [T3] pressures (long)



----- Original Message -----
From: "Russ Wolfe" <russella@prairieinet.net>
To: "Barry Viss" <barryviss@yahoo.com>
Sent: Tuesday, March 06, 2001 5:48 PM
Subject: Re: [T3] pressures (long)


>
> Subject: Re: [T3] pressures (long)
>
> >
> >
> >
> >
> > Another problem to really throw you off is that when the engine is cold
it
> > runs very uneven: sounds like one cylinder is having problems but I
can't
> > for the life of me figure out which one.  And yet the plugs are
identical.
> > I have unplugged injecters one at a time many times but I can't quite
get
> it
> > with just my ears. It happens at all RPM's while cold.  My neighbor is a
> big
> > VW nut and mechanic and I have him stumped as well, even after he
listened
> > to it himself.  This unevenness makes it a pain to drive before it is
> > warmed up, then it is smooth as silk. It is also smooth for about 2
> seconds
> > immidiately after starting, which would point to... mixture? injectors?
> >
> > While meticulously checking the FI harness (recorded all ohms) I
> discovered
> > that injector wires 2 & 3 were switched, correcting this made no
> difference.
> > I also inspected the FI points, they looked fine, fired right on time,
and
> > both dwelled the same.(160 and 165 deg about, with a protractor) don't
> > laugh, I'm desperate
> > Sorry to be so long, please help.
> >
> Check the resistance of  the plug wires and the rotor. The plug wires
should
> be no higher than 2000 ohms. The rotor should be 3000-5000 ohms. When the
> engine is cold, it takes a higher voltage at the plug to get complete
> combustion. After the engine is warmed up, it will run on a weaker spark.
>
> Russ Wolfe
> russw@classicvw.org
> http://www.classicvw.org/
>
>

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