[200q20v] speedo and boost,....Foggy windows.

Peter Schulz peschulz at cisco.com
Thu Sep 28 12:47:14 EDT 2000

At 09:00 AM 9/28/00 -0600, Brian.Link at Level3.com wrote:

>Well I finally got time to install my boost gauge on the A-pillar using a
>VDO vision series gauge and a A-pillar Gauge pod designed for an Acura
>Legend.  Well the fit wasn't that close, but the heat gun can turn the
>plastic into putty for easy molding, that and a dremel.
>I could use some help on a few issues.
>the car is a 91 200tq with a tap modified computer.
>1. I have had a surging problem at high boost and I'm trying to fix it.
>With the boost gauge I can see the needle go up to 19 psi, then it
>oscillates (really quickly) back and forth from 14-19 psi.  any guesses?
>Pressure leaks?,  WGFV?, ECU?.

can't help there-I'd go through some of Scott Mockry's troubleshooting tips 
on his webpage, as well as Chris Miller's - It could very well be a 
combination of a number of things.

Did you look for stored codes?

>2. My speedometer is flaky, I re-soldered the pins for the speedometer head
>with no change, I checked it with a dmm and it tests good.  I look at the
>SJM website but I can't find the points to look at and re-solder, What board
>are they on?  I had the whole thing in little pieces and could not find the

There is a main board and a daughter board that flips down and away.  There 
are connector blocks that connector to the daughter board and from there to 
the main board - focus on those joints.



Peter Schulz
1990 CQ
1991 200 20v TQW
Chelmsford, MA USA
peschulz at cisco.com

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