starting points for jetta problems aka I hate cars

[dswalterwi at gmail.com (Don Walter)]

Is this on a 16V or 8V I can't remember but I wanted to check ours.  I have
and 8V and my son a 16V.  Make sure you add it to Julie's web page.



On 4/22/06, David Brown <sharpshooter33@adelphia.net> wrote:
>
> AHHH  HA! Found it! it connects to the (NTC) Temperature
> Control.(Bentley's
> page 86 track 28) That's pretty scary when we cite Bentley's pages like
> Bible verse. 8-)
> Wonder how that would cause the rough idle?  I could understand when it's
> warm because it would read low and rich the mixture, but why when it's
> going
> from cold start?
>
> Oh well at least it's running. 8-)
> ----- Original Message -----
> From: "David Brown" <sharpshooter33@adelphia.net>
> To: "scirocco scirocco" <scirocco-l@scirocco.org>
> Sent: Saturday, April 22, 2006 1:08 PM
> Subject: Re: starting points for jetta problems aka I hate cars
>
>
> > Bingo!!!  I hate cars!
> > I got under the hood today just to see what I could see and check the
> gas
> > in the jetta thinking maybe it was bad gas...and what to my wondering
> eye
> > would appear.  I broken wire connected to the intake manifold where
> lot's
> > of brown wires are grounded.  Didn't think much of it since my wiring in
> > the Jetta was FUBAR by the previous owner.  Well the car was idling bad
> > and missing and when I touched the broken ground to it's mate...Bingo!
> > idling just fine. Well I pulled the wire replaced the end piece, started
> > it up and ran it down the road!!! Problem fixed.
> >
> > WTF?  This little wire caused all the problems! Second ground problem
> I've
> > ran into this month that has caused me to pull my hair out!!!(hey wait a
> > minute I ain't got no hair)
> >
> > Ok the offending wire was a brown/blue ground wire.  Only one I've found
> > so far in the Bentleys is a connection to the "Pressure Gradient Valve"
> > What does that do?
> >
> > Evidently if that's it, it can cause the car to run like KaKah!
> >
> > I'll look further and see if there is more Brown/Blue wires in the
> > diagram. It connected to ground on the intake manifold and ran into a
> > cluster, but didn't have time to chase it down today.
> >
> > Later
> > David
> > 86 16v Rocc turbo
> > 86 16v Rocc awaiting face lift
> > 84 8v Rocc Wolfie organ donor
> > 86 8v Jetta WOW! daily driver again. 8-)
> > ----- Original Message -----
> > From: "Tonee Northam" <pb3vr6@yahoo.com>
> > To: "Rick Kellner" <rfkellner@snet.net>; "'scirocco scirocco'"
> > <scirocco-l@scirocco.org>
> > Sent: Friday, April 21, 2006 7:25 AM
> > Subject: RE: starting points for jetta problems
> >
> >
> >>I used a spray bottle, turned the nozzle to mist, and waited til it was
> >>dark out, you'll see arcing where it's bad.
> >>
> >>  Tonee
> >>
> >> Rick Kellner <rfkellner@snet.net> wrote:
> >>  The ignition cap and wires on this Jetta are basically the same as a
> JH
> >> Scirocco. I also have a spare coil hanging around if that will help too
> >> however; having a donor car in the driveway is a little more
> convenient.
> >> Another way to find ignition leaks is to inspect it at night and while
> >> the humidity is up. Just look under the hood for the light show.
> >> Any rain forecasted in your area soon?
> >> Rick.
> >>
> >> -----Original Message-----
> >> From: David Brown [mailto:sharpshooter33@adelphia.net]
> >> Sent: Thursday, April 20, 2006 11:01 PM
> >> To: scirocco scirocco
> >> Subject: Re: starting points for jetta problems
> >>
> >> Thanks for the offer Rick. I've got a 8v sitting in my drive way and I
> >> was
> >> going to swap the dizzy cap out a month or so ago and I discovered they
> >> are
> >> different. One has a little pin sticking up under the caps and the
> >> other
> >> has the holes that the wires slide into. Which does yours have at the
> >> dizzy?
> >>
> >> I also got some exhaust patch tape. Gonna fix that nasty hole so I
> >> don't
> >> have a headache all day like today after having my head under the
> >> hood!!!
> >>
> >> Guess it will all have to wait until my next days off tuesday and
> >> wednesday.
> >> Until then everyone speculation as to what it might be is welcome.
> >>
> >> It's back to driving the Gas Hog Blazer for a week. 8-( and prices are
> >> looking to be around $3 here this week
> >> I hear it's around $3.75 in CA is that right?
> >>
> >> ----- Original Message -----
> >> From: "Rick Kellner"
> >> To: "'scirocco scirocco'"
> >> Sent: Thursday, April 20, 2006 7:15 PM
> >> Subject: RE: starting points for jetta problems
> >>
> >>
> >>> David, I have a set of wires I took off an 8v Scirocco you can have,
> >> you
> >>> may not want to keep them on but it may help with trouble shooting the
> >>> problem.
> >>>
> >>> I had a similar, but not as elusive, problem last week with my 91
> >> Jetta.
> >>> I have been cleaning it up a little so I can sell it. I decided to
> >>> spray out the engine compartment to remove the winter dust. When it
> >> was
> >>> time to move it the car would not start. I left it in the sun with
> >> the
> >>> hood open all day and it final started but was running horribly and
> >>> would not hold any kind of idle. Since the hood was up and the
> >> windows
> >>> were open I could hear this loud arching. One (or more) of the wires
> >>> was bad and the water only made it worse. These wires are not that
> >> old
> >>> either. I put a set of new wires on and it runs and idles perfectly,
> >>> well as perfect as 91 Car Rat can run.
> >>> Rick.
> >>>
> >>>
> >>> -----Original Message-----
> >>> From: David Brown [mailto:sharpshooter33@adelphia.net]
> >>> Sent: Thursday, April 20, 2006 3:20 PM
> >>> To: scirocco scirocco
> >>> Subject: starting points for jetta problems
> >>>
> >>> Ok, I'm at a loss on this one and I'm just wondering if anyone has a
> >>> start point on testing and figuring out what problem(s) I have.
> >>>
> >>> The 86 Jetta was running fine for 2 weeks. Then on my way home from
> >>> work....about 10-20miles in the car starts missing real bad. It has
> >>> smoke coming from some place in the upper exhaust back up into the
> >> motor
> >>> area. I was aware that the exhaust was loud, but with the missing
> >> it's
> >>> not emitting smoke, (definite exhaust smoke) back up into the engine
> >>> area. Smells rich also. It has a pulsing idle. rev'ing it up you
> >> can
> >>> get it home, but it still is missing even at higher rpm. I changes
> >> the
> >>> plugs, and tested the O2 sensor by unplugging it and still same idle.
> >>>
> >>> I also found that if I put pressure on the Hall plug it would die. I
> >>> found that the distributor cap was on backward and not locked in
> >>> properly, but it's new and I checked it out moved the plug wires
> >> around
> >>> and put it back on properly. The pressure on the hall unit doesn't
> >>> cause any idle changes now, but I still have the same missing problem.
> >>>
> >>> My thoughts are electrical....coil or some signal problem to the DPR
> >>> that's making the mixture to rich?
> >>>
> >>> Any thoughts on were to start or things to check LMK
> >>> Thanks
> >>>
> >>> David
> >>> 86 16v rocc turbo
> >>> 86 16v rocc front damage waiting on face lift
> >>> 84 8v rocc wolfsburg - organ donor
> >>> 86 8v Jetta GLI - Ungrateful daily driver (maybe)
> >>> _______________________________________________
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> >>> Scirocco-l@scirocco.org
> >>> http://neubayern.net/mailman/listinfo/scirocco-l
> >>>
> >>>
> >>>
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> >>>
> >>>
> >>> --
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> >>> Checked by AVG Free Edition.
> >>> Version: 7.1.385 / Virus Database: 268.4.4/319 - Release Date:
> >> 4/19/2006
> >>>
> >>>
> >>
> >>
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> >>
> >>
> >>
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> >>
> >>
> >> Meine Fast ist der Scheisse
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> 4/20/2006
> >>
> >>
> >
> >
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> >
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> >
>
>
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--
Don Walter - Waukesha, WI
1986 8V Black Scirocco (Daily Driver)
1984 8V Audi 4000s (RIP 2/14/2006)
1986 2.0L 16V TEC 2 Black Scirocco (see progress at
http://www.cardomain.com/memberpage/708939)
1986 2L 16V Toronado Red Scirocco (Ben's Car)
1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
1984 1.8 8V Pewter Scirocco (sold years ago)
1971 Karman Ghia (sold)
1969 Karman Ghia (sold)
1969 Beetle (sold)