89 n/a runs the same with the pressure sensor pluged in or not

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Aug 24, 2004 | 08:21 PM

briandrennon

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Joined: Jan 2004

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From: kansas city

89 n/a runs the same with the pressure sensor pluged in or not

I'm pretty sure this means it went bad and that is where my loss of power is from. I was wondering if you think it is dead and which pressure sensor i need(#350 is in ther now).
Thanks for all your guys help
Brian

Aug 24, 2004 | 08:45 PM

WAYNE88N/A

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From: Coldspring TX

How about reading it out from the ECU while driving? You know, watch the meter needle swing back & forth during different throttle conditions. Then you'll really know if it's bad or not...

I thought mine was bad once too, long time ago, because it seemed to run the same with the vac source disconnected. So I got a "new" one...Only part I've ever changed on the whole car that turned out not to be the problem. Ah, the joys of knowing how to troublehoot. Live and learn...

https://www.rx7club.com/2nd-generation-specific-1986-1992-17/troubleshooting-your-car-ecu-340578/

Aug 25, 2004 | 12:26 PM

SureShot

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From: Orange Park FL (near Jax)

Only when the boost sensor tells the ECU "low vacum" will the ECU work the Aux ports & VDI.
The neutral switch from the tranny will also kill Aux ports & VDI if it's open.