pardon my ignorance

[Kneale Brownson]

Check out Scott Mockry's wonderfully resourceful Audi repairs 
website:  http://www.sjmautotechnik.com/

Short answers are that bar is "metric" for pressure measurement and it gets 
applied to the amount of pressure under which your fuel/air mixture gets 
pushed into the engine by the turbo, while  chip generally refers to part 
of the engine control unit electronics hidden in the outer side of the 
passenger footwell.  The ECU reads info from a number of sensors and uses 
that data to determine fuel flow, among other things.

If you're going to work on these cars, you'd be advised to obtain the 
Bentley repair manuals.


At 05:36 PM 03/20/2002 -0500, Randberg at aol.com wrote:

>I am working on 2 Audi 5000's One is an 85 non turbo and the other is an 86
>5000s turbo but as a hack non mechanic who will take anything apart some
>terms are Greek to me. BAR (ie 1.2 Bar) What does it refer to and what should
>I be looking for on my turbo? Two other terms Boost and Chip.?? My torbo has
>no relays in the fuse box under the hood. What should I have and where are
>they located. (I don't have the correct cover on the fusebox. Thanks