 Fuel Trims? |
 Oct 31 2005, 02:05 PM
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 Eats and sleeps DSM jargin.  Group: Members Posts: 1,108 Joined: 2-October 05 From: Waverly, Illinois Member No.: 636  |
What Fuel trim do you guys usualy run on your logger? I read some where to try and get them as close to 100% as I could.
Right now my fuel trims are L=139.5 M=127.9 H=134.2 On saturday when I went to Nates, My knock was off the wall 42 was the highest and I think we got it down to 21. Did we do something wrong, or is this right. Not that I don't trust Nates tuning, I just want a second opinion on this. Because I still have knock and my fuel trims are all showing I'm running lean. Unless I'm reading it wrong. -------------------- Thanks, Bud!
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Nov 1 2005, 06:53 AM
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 Post Master Group: Members Posts: 908 Joined: 7-October 03 From: Chillicothe, IL Member No.: 182 |
Looks like now you have added to much fuel(on the low end). The ECU is taking out all that it can with the long term trims. If the O2 trim doesn't even have enough room to lean it out then you will run more than 14.7:1 all of the time. What you are seeing may even be part throttle rich knock.
-------------------- GVR4 866/1000 = the perpetually broken car
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Posts in this topic
BudmannG Fuel Trims? Oct 31 2005, 02:05 PM
natedogg Your fuel trims are closed loop controlled and dep... Oct 31 2005, 02:56 PM turbohcar Well, on my drive home, my fuel trims remained a c... Oct 31 2005, 06:48 PM BudmannG QUOTE (ncgalant @ Nov 1 2005, 07:53 AM)Looks ... Nov 1 2005, 07:11 AM black92_tsi_awd I think ncgalant post was for turbocar.
Budmann... Nov 1 2005, 07:20 AM BudmannG I set the pressure at 37 psi when I was at Nates. ... Nov 1 2005, 08:05 AM turbohcar Sorry, didn't mean to steal your post Budmann.... Nov 1 2005, 08:13 AM BudmannG No stealing done here it was for everyone. If it h... Nov 1 2005, 08:30 AM natedogg QUOTE (turbohcar @ Oct 31 2005, 06:48 PM)Well... Nov 1 2005, 09:55 AM ncgalant sorry about that, yes my post was for turbohcar. ... Nov 1 2005, 01:26 PM turbohcar Now, I've got a MAS Translator that I can put ... Nov 1 2005, 06:34 PM black92_tsi_awd Fuel cut should show up as an open throttle, no in... Nov 1 2005, 07:50 PM turbohcar I'll have to do a log of airflow but there are... Nov 1 2005, 08:38 PM JMoushon QUOTE (turbohcar @ Nov 1 2005, 08:38 PM)I... Nov 1 2005, 08:48 PM turbohcar This isn't gentle either. I meant to relate i... Nov 1 2005, 09:02 PM black92_tsi_awd If your getting 0.0ms of injector pulse and it mat... Nov 1 2005, 10:06 PM
natedogg You can also tune around fuel cut by using the tra... Nov 2 2005, 07:36 AM |
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