PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

VE table vs Tip -In

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Old Aug 18, 2003 | 10:56 AM
  #1  
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Default VE table vs Tip -In

Can adjusting the VE tables do any help or harm to fighting Tip-In KR between 2000-4000 RPM's?
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Old Aug 18, 2003 | 11:24 AM
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Default Re: VE table vs Tip -In

Hmmm. Good idea. I seem to remember someone on the mailing list say they read some technical papers on the pcm system, and it said that the maf is inaccurate at larger throttle changes. Maybe it reverts to the VE table until tps becomes consistent?
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Old Aug 18, 2003 | 10:20 PM
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Default Re: VE table vs Tip -In

It might, but it seems that having normal slight negative LTFTs also solves this straightforwardly
at least for me.

There will be some internal loop lag within the
MAF as it works on a thermal time scale. But you
can cover it "well enough" by having a naturally
rich calculation & sensor combo. Whether you need
to mess VE around, or just diddle power enrichment
I don't know, but PE has worked for my stockish
vehicle.
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Old Aug 19, 2003 | 01:30 PM
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Default Re: VE table vs Tip -In

Well, my LTFT's are between -5 through 2. Should I richen it some more and go from there?
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