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PE Mode Activated Question ??

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Old May 18, 2004 | 01:24 PM
  #1  
VetNutJim's Avatar
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From: Columbus,Ga.
Car: Different One Every Day
Engine: LS1,LS6,L98,L83
Transmission: 700R4, 4060E,Turbo 350, Turbo 400
PE Mode Activated Question ??

Hey guys,

How can I tell at what point in my DATAMASTER data logs PE has been activated.

I always thought when PE was activated, all the following would be 128.

L-Term-C Counts
L-Term Adj.
S-Term-C Counts

There seems to be SEVERAL areas where RPM and MAP would command PE (like 2275 RPM and 97.8 KPA)
mode but it doesn't seem to be in PE mode as all the above parameters are sitting there floating around just as normal.

Can somebody shine the light on this???

Last edited by VetNutJim; May 18, 2004 at 01:30 PM.
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Old May 18, 2004 | 06:12 PM
  #2  
eric305TPI's Avatar
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From: Houston / The Woodlands, TX
Car: 82 ElCamino, looking for a 3rd gen
Engine: 305 TPI(427SB in progress) 730 $8D
Transmission: THM350 (Getting a 4L80E soon)
Axle/Gears: 10 Bolt w/ 2.43 gears :(
First look to see where the TPS threshold is at in the

(TPS threshold for power enrich.) table.

Also you can set one of the 12 items in the bit data list to show if P.E. is enabled.

You should see a jump in the Inj BPW on the graph if you are graphing it.

Last edited by eric305TPI; May 18, 2004 at 06:16 PM.
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Old May 18, 2004 | 08:34 PM
  #3  
Grumpy's Avatar
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
Re: PE Mode Activated Question ??

Originally posted by VetNutJim
can I tell at what point in my DATAMASTER PE has been activated.
The commanded AFR should change from 14.7 to whatever your PE AFR is.

You should see a rich AFR when cold, and the *choke* is on, then leaning down to 14.7, and then what ever your PE AFR is.
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Old May 18, 2004 | 09:23 PM
  #4  
VetNutJim's Avatar
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From: Columbus,Ga.
Car: Different One Every Day
Engine: LS1,LS6,L98,L83
Transmission: 700R4, 4060E,Turbo 350, Turbo 400
Thank you,guys. :hail: :hail:

Looking,reading and absorbing....

It's working correctly.
I just violated one of the 'cardinal rules' by not documenting
MY change to the "TPS Threshold For Power Enrich." table.

Had run it way up and forgot about it.

Fixing it now in between reading all the "final answers" AGAIN!!
(Particularly the timing stuff)
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Old May 18, 2004 | 09:55 PM
  #5  
eric305TPI's Avatar
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Joined: Oct 2003
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From: Houston / The Woodlands, TX
Car: 82 ElCamino, looking for a 3rd gen
Engine: 305 TPI(427SB in progress) 730 $8D
Transmission: THM350 (Getting a 4L80E soon)
Axle/Gears: 10 Bolt w/ 2.43 gears :(
Yep that will do it.
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