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Power FC Load Does Not Change

Old Nov 27, 2003 | 12:57 AM
  #1  
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Load Does Not Change

The car runs horribly so i checked out my PFC. The car is only using one axis. The rpms will change on the table but load will remain the same. I swapped out my PFC with another local guys PFC (same version) and it did the same thing.


This is basically what the map looks like when i turn on the map trace function.


It stays at that load at idle and when I'm moving. It does not change.

Here is my other thread. It details how I got to where I am now. https://www.rx7club.com/showthread.p...hreadid=242946

EDIT: actually my load moves on the axis above the solid mark drawn on the map.

Last edited by cowsniperRX7; Nov 27, 2003 at 01:00 AM.
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Old Nov 27, 2003 | 11:18 AM
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Does anybody have any ideas about what could be wrong?
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Old Nov 27, 2003 | 12:08 PM
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just speculating...it appears that you are missing some input data..possibly the pressure sensor..you may want to check your sensor settings
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Old Nov 27, 2003 | 12:09 PM
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I'm not a PFC expert, but my guess is this... When that cable grounded on the alternator, something electrical had to go. And since both PFC's act the same, id start going out from there....Would anybody else suggest testing the wiring harness next??

-Zach
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Old Nov 27, 2003 | 03:00 PM
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Replace the MAP sensor
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Old Nov 27, 2003 | 04:24 PM
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will do.
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Old Nov 27, 2003 | 08:59 PM
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Without reading the other thread, Sounds like a map sensor problem since that is where the load signal comes from.
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