PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

ltrims=25%

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Old Aug 24, 2002 | 08:10 AM
  #21  
DriveATransAm's Avatar
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From: Chi-Town
Default Re: ltrims=25%

hmmm. so if its +15% i want to make the maft say, 2% richer? instead of 2% leaner...

i might do an idle reset today...takes forever for it to get idling once i do though. would this be the cause of my car not firing right up when i turn the key?
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Old Aug 24, 2002 | 10:32 AM
  #22  
dissonance's Avatar
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From: Princeton, IN
Default Re: ltrims=25%

I am not sure about the idle problems you have, if you have a cam and the idle is not set right it could die. A vacuum leak will also make it die when coming to a stop. I had a dodge truck that had a bad map sensor and it would die when I came to a stop but it had a hard time running at any speed.

The WOT setting are 2% increments, your base setting are in 5% you might be turning the wrong dial. You should see a WOT and BASE on the printed circuit board. You should be looking at the BASE LATE MODEL column and the BASE dial. While the car is running turn the base to 1 = 5% rich. Yes if the number in your ltrim is positive then you want to turn it to rich. Wait 10 sec’s or so; the ltrim should have dropped a little. Then repeat this again, like I said before a little rich is fine. You’re looking for around ltims 0% or a little negative
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Old Aug 28, 2002 | 11:29 AM
  #23  
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Default Re: ltrims=25%

hehe told you it was PCV <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> Under load at cruise the suction was getting rid of the leak. At idle under less load the leak was there.
Cheers,
Chris
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