Troubleshooting

[Dan DiBiase]

Vincent, you should do both dry and wet compression tests. Take a look at this 
write-up -

http://www.custompistols.com/cars/articles/compression.htm

I don't recall the exact issue you were having, but typically, loss of 
compression is evidenced by burning something that should
not be burned - oil or coolant. If you have blue or white/grey smoke coming out 
of the exhaust, you may have a compression issue.
I seem to recall that you've had trouble getting the car to actually run, so 
it's probably not a compression issue. But it's not a bad idea 

to check it out and compression gauges aren't expensive.

Glad you have an indoor place to work now too!

 Dan D
'04 A4 1.8Tq MT-6
Central NJ USA





________________________________
From: Vincent Gelinas <vrgelinas at gmail.com>
To: "quattro at audifans.com" <quattro at audifans.com>
Sent: Sat, January 8, 2011 1:07:28 PM
Subject: Troubleshooting

Okay so I know the four things that an engine needs are fuel, air, spark,
and compression.  Engine is NG in 1989 90q.  I know I am getting fuel and
air.

I am going to be picking up a compression tester from Autozone in a few
days. The correct technique for using it that I have read is to pull my
ignition and fuel fuse, then crank engine over six times at wot with the
compression tester screwed into the spark plug hole.  Does this sound about
right?

Also, what is the best way to test my ignition system and what are other
things to look for? Any way to test hall sensors etc to see if I need a new
dizzy? That's the only part of the system I haven't replaced, besides the
possibility of the diode(?) on the coil mount bracket.

In good news, I will finally have a nice warm place to work on my car soon.
One of my friends has a horse barn that will be empty in a month or so and
said I can store and work on my car in there!

Thanks in advance everyone!

Vincent
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