1984 4k - no start
Huw Powell
audi at humanspeakers.com
Tue Aug 4 19:50:06 PDT 2009
I know this is elementary, but did you get the wires in the right place?
A pair of "swapped" spark wires leave you with a nice 3 cylinder
engine... which will run, but not well.
Bares, Vittorio wrote:
> Brand new from Blauparts...btw, the car ran quite well when the wires,
> plugs, cap and rotor were changed...
>
> Vittorio -
>
> -----Original Message-----
> From: Hayes Myers [mailto:hayesmyers at gmail.com]
> Sent: Tuesday, August 04, 2009 6:20 PM
> To: Bares, Vittorio; jlagnese at massed.net; 'L DC'; quattro at audifans.com
> Subject: RE: 1984 4k - no start
>
> Are you wires any good?
>
> -----Original Message-----
> From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
> On
> Behalf Of Bares, Vittorio
> Sent: Tuesday, August 04, 2009 6:15 PM
> To: jlagnese at massed.net; L DC; quattro at audifans.com
> Subject: RE: 1984 4k - no start
>
> Well there you go :-)
>
>
>
> I was pulling 1 sparkplug at a time while the motor was running - just
> to see if there was any difference;
>
> -- pulled #1 didn't seem to change, put #1 back
>
> -- pulled #2 seemed to change just a bit, but not so much that I was
> sure
>
> -- put #2 back, and pulled #1 again - car dies...
>
>
>
> Huh?
>
>
>
> Back to no-start...
>
>
>
> Vittorio -
>
> ________________________________
>
> From: jlagnese at massed.net [mailto:jlagnese at massed.net]
> Sent: Tuesday, August 04, 2009 5:37 PM
> To: Bares, Vittorio; L DC; quattro at audifans.com
> Subject: RE: 1984 4k - no start
>
>
>
> Hopefully it keeps running!
> ---- Original message ----
>
> Date: Tue, 4 Aug 2009 17:15:20 -0400
> From: "Bares, Vittorio" <Vittorio.Bares at nuance.com>
> Subject: RE: 1984 4k - no start
> To: "L DC" <ldc007usa at yahoo.com>, <jlagnese at massed.net>,
> <quattro at audifans.com>
>> Shweet ebay find! I've emailed the seller to see if he carries the dist
> for the 84.
>> I went out to the car (just finished replacing upper links, tie rod
> ends and a cv boot on the A4 - its been a very tough Audi August ;)) to
> diagnose some more.
>> With a test light - I checked all 4 connections to the coil - they all
> lit up just fine.
>> Checked all the fuses just in case.
>>
>> Put the cap back on the distr - and thought, ah what the heck lets see
> if anything has changed. She started right up - damn!
>> The only thing I've learned is that my fuses are good, the coil lights
> up the test light and the fuel pump seems to be behaving properly. I
> rolled under the car while blipping the throttle, it didn't seem to
> change noise.
>> Its still not running quite right though, under light acceleration it
> misses slightly (if your just cruising, maintaining a constant speed, 35
> or so, although the speed seems to be irrelevant) - Under full throttle
> it seems to respond well - but I'd say its slightly under power. Like it
> wasn't getting full flame in the pistons or something - but its hardly
> noticeable...
>> My suspects right now remain:
>> -- ignition module
>> -- hall sensor/distr
>> -- fuel relay
>> -- coil (distant but possible contributor)
>>
>> Although, I worry about the old wiring in this rig - there could be a
> break anywhere :\
>> Vittorio -
>>
>> -----Original Message-----
>> From: L DC [mailto:ldc007usa at yahoo.com]
>> Sent: Tuesday, August 04, 2009 4:28 PM
>> To: jlagnese at massed.net; quattro at audifans.com; Bares, Vittorio
>> Subject: Re: 1984 4k - no start
>>
>>
>> Check the hall sender connections at the distributor. If is loose,
> engine vibrations would be enough to cause intermittent failures.
>> In one of my VW QSWs (same engine and tranny- JT code- as in 4KQ) the
> plastic wheel inside the distributor broke, causing it to completely
> fail--no spark. It happened at a gas station right after filling the
> tank. I started the car and everything went dead 5 seconds or so later.
>> In any event, $175 just for the hall sender is ridiculous. You could
> get a whole rebuilt distributor for as low as $85 plus free shipping
> from e-Bay. As with any purchase on the internet, especially automotive
> parts, make sure you contact the seller to make sure they send you the
> correct part.
>> http://tinyurl.com/l6kvo7
>>
>> -Regards,
>>
>> -Louis
>>
>>
>>> From: Bares, Vittorio <Vittorio.Bares at nuance.com>
>>> Subject: Re: 1984 4k - no start
>>> To: jlagnese at massed.net, quattro at audifans.com
>>> Date: Tuesday, August 4, 2009, 3:22 PM
>>> Don't have a bentley for the 4k. I'm
>>> in s.NH. Would love to borrow 1 if u'r close by.
>>>
>>> ________________________________
>>>
>>> From: jlagnese at massed.net
>>>
>>> To: Bares, Vittorio; quattro at audifans.com
>>>
>>> Sent: Tue Aug 04 13:18:56 2009
>>> Subject: RE: 1984 4k - no start
>>>
>>>
>>> I just plugged in another. Do you have an extra? If not,
>>> where are you? You could borrow one of my extras. I do have
>>> a few known working units. They are the same on quite a few
>>> VW/Audi. This went south on my 87 16V Scirocco. I actually
>>> used one from a 91 Jetta IIRC.
>>>
>>> I'm sure that the Bentley has a way to check.
>>>
>>> John
>>> ---- Original message ----
>>>
>>>
>>> Date: Tue, 4 Aug 2009 12:25:43 -0400
>>> From: "Bares, Vittorio" <Vittorio.Bares at nuance.com>
>>> Subject: RE: 1984 4k - no start
>>> To: <jlagnese at massed.net>,
>>> <quattro at audifans.com>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> How does one test that?
>>>
>>>
>>>
>>>
>>>
>>> Also, there was a suggestion to check
>>> the
>>> 12v at the coil - coil has 4 wires
>>> (2-green on one side, 2 black on the
>>> other connector) - which ones deliver
>>> 12v to the coil? (they look awfully
>>> thin)
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> Vittorio -
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> ________________________________
>>>
>>>
>>>
>>>
>>>
>>> From:
>>> jlagnese at massed.net
>>> [mailto:jlagnese at massed.net]
>>>
>>> Sent: Tuesday, August 04, 2009
>>> 11:48 AM
>>> To: Bares, Vittorio;
>>> quattro at audifans.com
>>> Subject: Re: 1984 4k - no start
>>>
>>>
>>>
>>>
>>>
>>>
>>> Check the spark control unit. Its
>>> piggybacked on the computer.
>>> ---- Original message ----
>>>
>>>
>>> Date: Tue, 4 Aug
>>> 2009 10:42:59 -0400
>>> From: "Bares, Vittorio"
>>> <Vittorio.Bares at nuance.com>
>>> Subject: 1984 4k - no start
>>> To: <quattro at audifans.com>
>>> >So, has new wires, rotor, cap, plugs
>>> - was running fine - then about a
>>> >week ago, while driving it - it just
>>> stopped running.
>>> >
>>> >
>>> >
>>> >I cleaned the contacts on the coil -
>>> started again, but wasn't running
>>> >well. Almost as if it was running on
>>> 4 cyl (it is a quattro 5cyl :-)). I
>>> >was trying to diagnose by pulling
>>> one sparkplug at a time while it was
>>> >running, not much change when I did
>>> so - consistently for all 5 plug
>>> >wires.
>>> >
>>> >
>>> >
>>> >Pulled the plug on the temp sensor
>>> in the rear of the head - no diff.
>>> >
>>> >Pulled the plug on the sensor that
>>> is on the fuel distributor - no diff.
>>> >
>>> >
>>> >
>>> >This morning - no start...
>>> >
>>> >
>>> >
>>> >No spark.
>>> >
>>> >
>>> >
>>> >I'm thinking hall sensor??
>>> >
>>> >
>>> >
>>> >Vittorio -
>>> >
>>> >
>>> >
>>>
>>>> _______________________________________________
>>> >quattro mailing list
>>> >http://www.audifans.com/mailman/listinfo/quattro
>>> >http://www.audifans.com/kb/List_information
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> quattro mailing list
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>>
>>
>
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>
--
Huw Powell
http://www.humanspeakers.com/audi
http://www.humanthoughts.org/
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