Going from Closed Loop to Open loop?
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From: Belleville, IL
Going from Closed Loop to Open loop? Assuming that a car is dialed in correctly in Closed loop, the ltrims are correct and the WOT tuning is correct, what will happen when the car is put into open loop? Will it run correctly or will the be many changes that need to be made?
Thanks
Floyd
Thanks
Floyd
Thread Starter
TECH Fanatic
iTrader: (10)
Joined: Nov 2001
Posts: 1,237
Likes: 1
From: Belleville, IL
Originally Posted by HumpinSS
You may find out that your tune in completely off or dead on. One way to find out.....
If you set the open loop A/f talble to a multiplier (1.13) that gives you an AFR accross the whole rpm range. Then when you run the car with the WB you should see the set AFR at all times
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WOt reads off the Pe vs. RPM table but whichever value is richest the pcm will pick from that table. Usually people set the Pe table to 0.00 to make sure it doesnt skew any results. Thus leaving the open loop f/a table to choose from
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