200TQA boost sensing question

[Alex Kowalski]

Kneale wrote in response to tmb:

>I believe you have to change out the boost sensor INSIDE the ECU to get it
>to agree to greater boost than 1.7.  Your car isn't supposed to show more
>than 1.4 to the ECU, but the springs are allowing you to get to the 1.7
>which is the cutoff limit, as I understand the system.

At 03:20 PM 7/3/2006 -0700, tmb wrote:
>>
>>hey all.
>>
>>i've been fiddling around with various devices on
>>my  late 89 200TQA to see if i can safely extract
>>a little power from the motor.

Stop right now, and talk to Ben Swann, and read this page from SJM
Autotechnik.  ;-)
Kneale is correct -- you are hitting the factory fuel-pump cutoff value
programmed into the ECU.

http://www.homestead.com/Ben_Swann/qlcc.html
http://www.sjmautotechnik.com/trouble_shooting/boost.html

Then have a very happy Fourth of July!  :)

HTH,
Alex Kowalski
'87 5KCSTQ
'86 5KCSTQ