Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

Short term max

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Old Mar 29, 2005 | 12:26 PM
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wicked_95z's Avatar
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Short term max

I thought the short term maxed out like the long terms at 160. Mine are hovering around 166-169. Whats going on?
Old Mar 29, 2005 | 12:57 PM
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Re: Short term max

Their range is much wider than Lterms. I dont have tunercat in front of me but I believe the min is 80 or 90 and max is 180 or so. Where are you seeing them hoover? If its at idle that is to be expected because of the valve overlap pushes unburnt oxygen down to the O2 sensors making them believe the motor is running lean when in reality its probably not.
Old Mar 29, 2005 | 02:11 PM
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Re: Short term max

It is at idle and my o2 mv are ~400mv
Old Mar 29, 2005 | 02:50 PM
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Re: Short term max

Welcome to the world of big cams.

PE idle it....
Old Mar 29, 2005 | 08:17 PM
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Re: Short term max

Tell me about it. Hey turbo I cracked hte TB blades tonight and it seemed to idle better. I actually got it to idle at 900. Still think the idle follower tables are off cause if I come to a stop the engine wants to die.

I set up my car with my first cam for PE idle and was having a no start problem. I reloaded my original program. Now I cant seem to get it to work again. I think I'm stuck in Pe mode throughout the rpm band because my A/F meter stay on one ratio; just short of rich. Still got some playing to do. Thanks for everyone's help
Old Mar 29, 2005 | 08:32 PM
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Re: Short term max

Could somone tell me if the TB drill mod has been done to my 58mm BBK. The IAC passageway looks a lot bigger than 11/64

TB pics
Old Mar 29, 2005 | 09:27 PM
  #7  
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Re: Short term max

Originally Posted by wicked_95z
Tell me about it. Hey turbo I cracked hte TB blades tonight and it seemed to idle better. I actually got it to idle at 900. Still think the idle follower tables are off cause if I come to a stop the engine wants to die.

I set up my car with my first cam for PE idle and was having a no start problem. I reloaded my original program. Now I cant seem to get it to work again. I think I'm stuck in Pe mode throughout the rpm band because my A/F meter stay on one ratio; just short of rich. Still got some playing to do. Thanks for everyone's help

Get your IAC counts down to around 30-40 at idle and then the motor wont have as much tendency to stall out coming to a stop. btw your pic doesnt work.
Old Mar 30, 2005 | 05:11 AM
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Re: Short term max

TB pics

Try this time
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