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A couple of questions, and $58 idle flair

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Old May 6, 2006 | 10:43 AM
  #1  
SBNova's Avatar
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From: Lakeland,Florida
A couple of questions, and $58 idle flair

Ive seen people post screen shots of tuning software on this site. How do you copy a page to post in a thread?

Ive been tuning my stock Typhoon for the last week or so in a quest for better mileage. I noticed that I am getting some spikes in the injector PW that dont look like they need to be there. They dont occur with a change in load or TPS. They happen every few seconds while at a steady cruise. Somone on SyTy.net suggested they may correlate to the EGR activation, which I havent checked yet. I wanted to post a screen shot of these spikes so others can see what Ive got happening, without sending a whole datalog to everybody.

My next question is about an idle flair that I get when I shoft from drive to park. Sometimes its worse than others, but it raises the RPM from +/-700 rpm to +/-1500, then slowly settles. I looked though my XDF and didnt notice anything that seemed to relate. It happens with the AC on or off. I disassembled my IAC and TB and cleaned all the passages real good.
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Old May 6, 2006 | 12:29 PM
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junkcltr's Avatar
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From: garage
Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Originally Posted by SBNova
Ive been tuning my stock Typhoon for the last week or so in a quest for better mileage. I noticed that I am getting some spikes in the injector PW that dont look like they need to be there. They dont occur with a change in load or TPS. They happen every few seconds while at a steady cruise. Somone on SyTy.net suggested they may correlate to the EGR activation, which I havent checked yet. I wanted to post a screen shot of these spikes so others can see what Ive got happening, without sending a whole datalog to everybody.
I see the BPW spikes all of the time. I think the ALDL is reporting a prelim. BPW that is in the stages before the final BPW sent to the injectors. I get 10ms here and there in the ALDL at all kinds of RPM and MAP values. It is a fake BPW.
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