Boost gauge WAS: Violent Cutoff (I mean really violent) Update

Phil Rose pjrose at
Mon May 16 20:23:58 EDT 2005

At 6:03 PM -0400 5/16/05, SuffolkD at wrote:
>Where would be the best place to "T" into for a mechanical boost gauge on the
>200 20V?  I'd like to blend easy of surgery with accurate vacuum WRT the
>turbo operation.
>I was thinking right in front of the ECU, any issue with this location?

Nope, that's where I took my T for the boost gauge.

BTW, the typical plastic "T" sold at Pep Boys  is a pretty wimpy 
piece of cr at p, IMHO. You might be able to find a nice small brass T 
at a pet shop that stocks aquarium supplies.


>-Scott by BOSTON currently no boost, so I have other issues.
>>  You show the same amount of boost as mine always has had.  Mine is chipped,
>>  I
>>  can feel the extra boost but the gauge still reads the same (thats
>>  expected).
>>  I have tinkered with a bunch of stuff trying to see a steady 1.7 or 8 but to
>>  no avail.  I have pressure tested the boost hoses to 20 PSI with the
>>  plumbing
>>  cap with the valve stem method.  I get a little leak around the oil fill cap
>>  and it eventually shoot out the dip stick like a torpedo.  I have also
>>  replaced the WGFV and TBV with no change.  Everything else read normal with
>>  no codes.
>>  The only thing that I haven't done is use a manual gauge to verify accuracy.
>>  So I have basically given up.
>>  Good Luck
>>  Pete
>>  91 Avant 
>200q20v mailing list


Phil Rose
Rochester, NY
mailto:pjrose at

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