Troubleshooting

[Huw Powell]

On 1/8/2011 1:07 PM, Vincent Gelinas wrote:
> 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?

Probably.  It should come with instructions, don't throw them away.

> 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.

While you are Autozone pick up an in-line spark tester.  It goes between 
the plug and plug wire.  The thing next to the coil is a transistor.

> 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!

Excellent news!

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/